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Solar System: Things to Know This Week

From the people who work for us, to ESA’s ExoMars, to phases of the moon, learn more about the solar system. 

1. NASA Is More Than Astronauts

Our employees engage in a very wide range of work, and they come from a variety of backgrounds. To meet some of them and learn how they came to work for us, follow the #NASAProud tag on social media.

+ Learn about job opportunities and why NASA employees love working there + Get to know the people who explore the solar system

2. ExoMars Is Cleared for Landing 

A joint project between the European Space Agency and Russia's Roscosmos space agency, ExoMars 2016 will enter orbit around the Red Planet on Oct. 19. The mission includes the Trace Gas Orbiter (TGO) and the Schiaparelli entry, descent and landing demonstrator. TGO will make a detailed inventory of Mars' atmospheric gases, looking especially for rare gases like methane to help determine whether that methane stems from a geological or biological source. The orbiter also carries a pair of transmitters provided by NASA. The Schiaparelli lander separated from TGO on Oct. 16, entering the atmosphere for a six-minute descent to a region in Meridiani Planum, not far from NASA's Opportunity rover. Schiaparelli will test landing technologies in preparation for future missions, including a heatshield, parachute, propulsion system and a crushable structure.

+ Go along for the ride

3. This Just in From Jupiter

Mission managers for our Juno mission to Jupiter have decided to postpone the burn of its main rocket motor originally scheduled for Oct. 19. Engineers want to carefully examine telemetry from a pair of sticky helium valves before the maneuver, which will reduce the time it takes Juno to orbit Jupiter from about 53 days to 14 days. The next opportunity for the burn would be during its close flyby of Jupiter on Dec. 11. Meanwhile, the spacecraft is still gathering data about Jupiter, and Juno will still swing close by the giant planet on Oct. 19.

+ Read more

4. It's Just a Phase 

The moon was full on Oct. 16. This month's full moon is sometimes called the Harvest Moon or Hunter's Moon.

+ See a video showing all of this year's lunar + Learn what causes the moon's phases

5. Free to Ride

Did you know that NASA offers several other fascinating (and free) online experiences, all based on actual data from real missions. Here are a few to explore:

+ Mars Trek + Vesta Trek + Lunaserv Global Explorer + Deep Space Network (DSN) Now + Spacecraft 3D app

Discover the full list of 10 things to know about our solar system this week HERE.

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Applying Earth Observations Data to the Real World

In our DEVELOP Program, participants work on Earth science research projects and are mentored by science advisors from within the agency and from partner agencies, and extend research results to local communities. 

This year, our partners ran the gamut from NASA centers to The National Oceanic and Atmospheric Agency (NOAA) to the University of Georgia to state and local governments. The one thing all have in common: using data from our Earth-observing satellites to inform such topics as disaster relief, preserving watershed and marshlands, working municipalities to provide health and study. The program also helps future scientists develop research and presentation skills.

Annually, the participants gather at NASA Headquarters to present their findings. From more than two dozen, we’re highlighting a cross section whose projects covered climate and invasive species in Alaska; health and air quality in Las Cruces; disaster preparation in the Philippines; and air quality in the Shenandoah Valley.

The projects demonstrate to community leaders how our science measurements and predictions can be used to address local policy issues. This year, DEVELOP features more than two dozen projects covering Earth science topics from all corners of the globe. 

DEVELOP projects apply Earth observations to agriculture, climate, disasters, ecological forecasting, energy, health and air quality, oceans, water resources and weather. These projects highlight NASA Earth observation capabilities relative to environmental issues and concerns for enhanced policy and decision-making to improve life here on Earth.

DEVELOP projects apply Earth observations to agriculture, climate, disasters, ecological forecasting, energy, health and air quality, oceans, water resources and weather. These projects highlight NASA Earth observation capabilities relative to environmental issues and concerns for enhanced policy and decision-making to improve life here on Earth.

Visit the Develop Project page to learn more about the program and how to apply.

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Celebrating Women’s Equality Day Across NASA

August 26 is celebrated in the United States as Women’s Equality Day. On this day in 1920, the Nineteenth Amendment was signed into law and American women were granted the constitutional right to vote. The suffragists who fought hard for a woman’s right to vote opened up doors for trailblazers who have helped shape our story of spaceflight, research and discovery. On Women’s Equality Day, we celebrate women at NASA who have broken barriers, challenged stereotypes and paved the way for future generations. This list is by no means exhaustive. 

Rocket Girls and the Advent of the Space Age

In the earliest days of space exploration, most calculations for early space missions were done by “human computers,” and most of these computers were women. These women's calculations helped the U.S. launch its first satellite, Explorer 1. This image from 1953, five years before the launch of Explorer 1, shows some of those women on the campus of the Jet Propulsion Laboratory (JPL).

These women were trailblazers at a time when most technical fields were dominated by white men. Janez Lawson (seen in this photo), was the first African American hired into a technical position at JPL. Having graduated from UCLA with a bachelor's degree in chemical engineering, she later went on to have a successful career as a chemical engineer.

Katherine Johnson: A Champion for Women’s Equality

Mathematician Katherine Johnson, whose life story was told in the book and film "Hidden Figures," is 101 years old today! Coincidentally, Johnson’s birthday falls on August 26: which is appropriate, considering all the ways that she has stood for women’s equality at NASA and the country as a whole.

Johnson began her career in 1953 at the National Advisory Committee for Aeronautics (NACA), the agency that preceded NASA, one of a number of African-American women hired to work as "human computers.” Johnson became known for her training in geometry, her leadership and her inquisitive nature; she was the only woman at the time to be pulled from the computing pool to work with engineers on other programs.

Johnson was responsible for calculating the trajectory of the 1961 flight of Alan Shepard, the first American in space, as well as verifying the calculations made by electronic computers of John Glenn’s 1962 launch to orbit and the 1969 Apollo 11 trajectory to the moon. She was awarded the Presidential Medal of Freedom, the nation's highest civilian honor, by President Barack Obama on Nov. 24, 2015.

JoAnn Morgan: Rocket Fuel in Her Blood 

JoAnn Morgan was an engineer at Kennedy Space Center at a time when the launch room was crowded with men. In spite of working for all of the Mercury, Gemini and Apollo programs, and being promoted to a senior engineer, Morgan was still not permitted in the firing room at liftoff — until Apollo 11, when her supervisor advocated for her because of her superior communication skills. Because of this, Morgan was the instrumentation controller — and the only woman — in the launch room for the Apollo 11 liftoff. 

Morgan’s career at NASA spanned over 45 years, and she continued to break ceiling after ceiling for women involved with the space program. She excelled in many other roles, including deputy of Expendable Launch Vehicles, director of Payload Projects Management and director of Safety and Mission Assurance. She was one of the last two people who verified the space shuttle was ready to launch and the first woman at KSC to serve in an executive position, associate director of the center.

Oceola (Ocie) Hall: An Advocate for NASA Women 

Oceola Hall worked in NASA’s Office of Diversity and Equal Opportunity for over 25 years. She was NASA’s first agency-wide Federal Women’s program manager, from 1974 – 1978. Hall advanced opportunities for NASA women in science, engineering and administrative occupations. She was instrumental in initiating education programs for women, including the Simmons College Strategic Leadership for Women Program.

Hall’s outstanding leadership abilities and vast knowledge of equal employment laws culminated in her tenure as deputy associate administrator for Equal Opportunity Programs, a position she held for five years. Hall was one among the first African-American women to be appointed to the senior executive service of NASA. This photo was taken at Marshall during a Federal Women’s Week Luncheon on November 11, 1977 where Hall served as guest speaker.

Hall was known for saying, “You have to earn your wings every day.”

Sally Ride: Setting the Stage for Women in Space

The Astronaut Class of 1978, otherwise known as the “Thirty-Five New Guys,” was NASA’s first new group of astronauts since 1969. This class was notable for many reasons, including having the first African-American and first Asian-American astronauts and the first women.

Among the first women astronauts selected was Sally Ride. On June 18, 1983, Ride became the first American woman in space, when she launched with her four crewmates aboard the Space Shuttle Challenger on mission STS-7. On that day, Ride made history and paved the way for future explorers.

When those first six women joined the astronaut corps in 1978, they made up nearly 10 percent of the active astronaut corps. In the 40 years since that selection, NASA selected its first astronaut candidate class with equal numbers of women and men, and women now comprise 34 percent of the active astronauts at NASA.

Charlie Blackwell-Thompson: First Female Launch Director 

As a part of our Artemis missions to return humans to the Moon and prepare for journeys to Mars, the Space Launch System, or SLS, rocket will carry the Orion spacecraft on an important flight test. Veteran spaceflight engineer Charlie Blackwell-Thompson will helm the launch team at Kennedy Space Center in Florida. Her selection as launch director means she will be the first woman to oversee a NASA liftoff and launch team.

"A couple of firsts here all make me smile," Blackwell-Thompson said. "First launch director for the world's most powerful rocket — that's humbling. And I am honored to be the first female launch director at Kennedy Space Center. So many amazing women that have contributed to human space flight, and they blazed the trail for all of us.”

The Future of Women at NASA

In this image, NASA astronauts Anne McClain and Christina Koch pose for a portrait inside the Kibo laboratory module on the International Space Station. Both Expedition 59 flight engineers are members of NASA's 2013 class of astronauts.   

As we move forward as a space agency, embarking on future missions to the Moon, Mars and beyond, we reflect on the women who blazed the trail and broke glass ceilings. Without their perseverance and determination, we would not be where we are today.

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Solar System: Things to Know This Week

Earlier this month, Mars was at opposition, which is the point in their orbits when Mars, Earth and the sun all line up, making for good conditions to view the Red Planet from Earth.

Now, it’s Saturn’s turn. The ringed planet will be at opposition on June 3, and this week is a great time to see it — both in the sky as well as up close, thanks to our spacecraft. Here are a few things to know about Saturn exploration this week:

1. Group Portrait

Thanks to their current orbital positions, our sun-observing spacecraft STEREO-A was recently able to capture the sun, Saturn, Mars and Earth in one image. Take a closer look HERE. Discover more about the STEREO mission HERE.

2. Likable, Lick-able Saturn

Saturn’s handsome visage is featured among the new stamps that the US Postal Service is releasing this week to highlight our adventures in planetary exploration.

3. Do You Even Know Saturn?

Yes, yes, it’s the one with the rings. But did you know Saturn has winds that can exceed 1000 miles per hour? Or that its magnetic field is hundreds of times as powerful as the Earth’s? Or that its day is just 10 hours long? How well do you really know the sixth planet?

4. Picking Up Signals

One thing you many not know about the planet is that it’s loud, at least if you listen to its radio signals. When our robotic Cassini spacecraft first approached Saturn, it detected the powerful fields that surround it. Engineers turned those signals into beautiful, eerie sounds. Listen to them HERE.

5.  Not All Who Wander Are Lost

The Cassini mission’s explorations of the Saturn system are very much ongoing. In the next few days, the spacecraft will be touring many locations, including the giant moon Titan, Saturn’s turbulent clouds, the tiny moon Albiorix and more! Get the full itinerary HERE.

Want to learn more? Read our full list of the 10 things to know this week about the solar system HERE.

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Innovation at 100

Air travel, spaceflight, robotic solar-system missions: science fiction to those alive at the turn of the 20th century became science fact to those living in the 21st. 

America’s aerospace future has been literally made at our Langley Research Center by the best and brightest the country can offer. Here are some of the many highlights from a century of ingenuity and invention.

Making the Modern Airplane

In times of peace and war, Langley helped to create a better airplane, including unique wing shapes, sturdier structures, the first engine cowlings, and drag cleanup that enabled the Allies to win World War II.

In 1938 Langley mounted the navy's Brewster XF2A-1 Buffalo in the Full-Scale Tunnel for drag reduction studies.

Wind Goes to Work

Langley broke new ground in aeronautical research with a suite of first-of-their-kind wind tunnels that led to numerous advances in commercial, military and vertical flight, such as helicopters and other rotorcraft. 

Airflow turning vanes in Langley’s 16-Foot Transonic Tunnel.

Aeronautics Breakthroughs

Aviation Hall of Famer Richard Whitcomb’s area rule made practical jet flight a reality and, thanks to his development of winglets and the supercritical wing, enabled jets to save fuel and fly more efficiently.

Richard Whitcomb examines a model aircraft incorporating his area rule.

Making Space

Langley researchers laid the foundation for the U.S. manned space program, played a critical role in the Mercury, Gemini and Apollo programs, and developed the lunar-orbit rendezvous concept that made the Moon landing possible.

Neil Armstrong trained for the historic Apollo 11 mission at the Lunar Landing Research Facility,

Safer Air Above and Below

Langley research into robust aircraft design and construction, runway safety grooving, wind shear, airspace management and lightning protection has aimed to minimize, even eliminate air-travel mishaps

NASA’s Boeing 737 as it approached a thunderstorm during microburst wind shear research in Colorado in 1992.

Tracking Earth from Aloft

Development by Langley of a variety of satellite-borne instrumentation has enabled real-time monitoring of planet-wide atmospheric chemistry, air quality, upper-atmosphere ozone concentrations, the effects of clouds and air-suspended particles on climate, and other conditions affecting Earth’s biosphere.

Crucial Shuttle Contributions

Among a number of vital contributions to the creation of the U.S. fleet of space shuttles, Langley developed preliminary shuttle designs and conducted 60,000 hours of wind tunnel tests to analyze aerodynamic forces affecting shuttle launch, flight and landing.

Space Shuttle model in the Langley wind tunnel.

Decidedly Digital

Helping aeronautics transition from analog to digital, Langley has worked on aircraft controls, glass cockpits, computer-aided synthetic vision and a variety of safety-enhancing onboard sensors to better monitor conditions while airborne and on the ground.

Aerospace research engineer Kyle Ellis uses computer-aided synthetic vision technology in a flight deck simulator.

Fast, Faster, Fastest

Langley continues to study ways to make higher-speed air travel a reality, from about twice the speed of sound – supersonic – to multiple times: hypersonic.

Langley continues to study ways to make higher-speed air travel a reality, from about twice the speed of sound – supersonic – to multiple times: hypersonic.

Safer Space Sojourns

Protecting astronauts from harm is the aim of Langley’s work on the Orion Launch Abort System, while its work on materials and structures for lightweight and affordable space transportation and habitation will keep future space travelers safe.

Unmasking the Red Planet

Beginning with its leadership role in Project Viking, Langley has helped to unmask Martian mysteries with a to-date involvement in seven Mars missions, with participation in more likely to come.

First image of Mars taken by Viking 1 Lander.

Touchdown Without Terror

Langley’s continued work on advanced entry, descent and landing systems aims to make touchdowns on future planetary missions routinely safe and secure.

Artist concept of NASA's Hypersonic Inflatable Aerodynamic Decelerator - an entry, descent and landing technology.

Going Green

Helping to create environmentally benign aeronautical technologies has been a focus of Langley research, including concepts to reduce drag, weight, fuel consumption, emissions, and lessen noise.

Intrepid Inventors

With a history developing next-generation composite structures and components, Langley innovators continue to garner awards for a variety of aerospace inventions with a wide array of terrestrial applications.

Boron Nitride Nanotubes: High performance, multi-use nanotube material.

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Do you have any messages or tips for other girls who want to study and work in STEM fields?

NASA Science Show & Tell

This week, we’re at one of the biggest science conferences in the country, where our scientists are presenting new results from our missions and projects. It’s called the American Geophysical Union’s Fall Meeting.

Here are a few of the things we shared this week...

The Sun

A few months into its seven-year mission, Parker Solar Probe has already flown far closer to the Sun than any spacecraft has ever gone. The data from this visit to the Sun has just started to come back to Earth, and scientists are hard at work on their analysis.

Parker Solar Probe sent us this new view of the Sun’s outer atmosphere, the corona. The image was taken by the mission’s WISPR instrument on Nov. 8, 2018, and shows a coronal streamer seen over the east limb of the Sun. Coronal streamers are structures of solar material within the Sun's atmosphere, the corona, that usually overlie regions of increased solar activity. The fine structure of the streamer is very clear, with at least two rays visible. Parker Solar Probe was about 16.9 million miles from the Sun's surface when this image was taken. The bright object near the center of the image is Mercury, and the dark spots are a result of background correction.

Hurricane Maria

Using a satellite view of human lights, our scientists watched the lights go out in Puerto Rico after Hurricane Maria. They could see the slow return of electricity to the island, and track how rural and mountainous regions took longer to regain power.

In the spring, a team of scientists flew a plane over Puerto Rico’s forests, using a laser instrument to measure how trees were damaged and how the overall structure of the forests had changed.

Earth’s Ice

Our scientists who study Antarctica saw some surprising changes to East Antarctica. Until now, most of the continent’s melting has been on the peninsula and West Antarctica, but our scientists have seen glaciers in East Antarctica lose lots of ice in the last few years.

Our ICESat-2 team showed some of their brand new data. From the changing height of Antarctic ice to lagoons off the coast of Mexico, the little satellite has spent its first few months measuring our planet in 3D. The laser pulses even see individual ocean waves, in this graph.

Scientists are using our satellite data to track Adélie penguin populations, by using an unusual proxy -- pictures of their poop! Penguins are too small to be seen by satellites, but they can see large amounts of their poop (which is pink!) and use that as a proxy for penguin populations.

Asteroid Bennu

Our OSIRIS-REx mission recently arrived at its destination, asteroid Bennu. On approach, data from the spacecraft’s spectrometers revealed chemical signatures of water trapped in clay minerals.  While Bennu itself is too small to have ever hosted liquid water, the finding indicates that liquid water was present at some time on Bennu’s parent body, a much larger asteroid.

We also released a new, detailed shape model of Bennu, which is very similar to our ground-based observations of Bennu’s shape. This is a boon to ground-based radar astronomy since this is our first validation of the accuracy of the method for an asteroid! One change from the original shape model is the size of the large boulder near Bennu’s south pole, nicknamed “Benben.” The boulder is much bigger than we thought and overall, the quantity of boulders on the surface is higher than expected. Now the team will make further observations at closer ranges to more accurately assess where a sample can be taken on Bennu to later be returned to Earth.

Jupiter

The Juno mission celebrated it’s 16th science pass of #Jupiter, marking the halfway point in data collection of the prime mission. Over the second half of the prime mission — science flybys 17 through 32 — the spacecraft will split the difference, flying exactly halfway between each previous orbit. This will provide coverage of the planet every 11.25 degrees of longitude, providing a more detailed picture of what makes the whole of Jupiter tick.

Mars

The Mars 2020 team had a workshop to discuss the newly announced landing site for our next rover on the Red Planet. The landing site...Jezero Crater! The goal of Mars 2020 is to learn whether life ever existed on Mars. It's too cold and dry for life to exist on the Martian surface today. But after Jezero Crater formed billions of years ago, water filled it to form a deep lake about the same size as Lake Tahoe. Eventually, as Mars' climate changed, Lake Jezero dried up. And surface water disappeared from the planet.

Interstellar Space

Humanity now has two interstellar ambassadors. On Nov. 5, 2018, our Voyager 2 spacecraft left the heliosphere — the bubble of the Sun’s magnetic influence formed by the solar wind. It’s only the second-ever human-made object to enter interstellar space, following its twin, Voyager 1, that left the heliosphere in 2012.

Scientists are especially excited to keep receiving data from Voyager 2, because — unlike Voyager 1 — its plasma science instrument is still working. That means we’ll learn brand-new information about what fills the space between the stars.

Learn more about NASA Science at science.nasa.gov. 

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Did you have an innate talent for math? Or did you struggle and practiced until you understood it? I wanted to become an aerospace engineer but after taking a class I decided psychology was more suited for me because I struggled with equations but thrived with the psychological terms

Anything you don’t know is hard until you learn it. There are a few geniuses in the world, but most people study and work hard to learn what they love. Even the smartest amongst you actually put in a lot of time to learn the things that they want, and no one is an exception. You have to put in the time.

Neutron Stars Are Weird!

There, we came right out and said it. They can’t help it; it’s just what happens when you have a star that’s heavier than our sun but as small as a city. Neutron stars give us access to crazy conditions that we can’t study directly on Earth.

Here are five facts about neutron stars that show sometimes they are stranger than science fiction!

1. Neutron stars start their lives with a bang

When a star bigger and more massive than our sun runs out of fuel at the end of its life, its core collapses while the outer layers are blown off in a supernova explosion. What is left behind depends on the mass of the original star. If it’s roughly 7 to 19 times the mass of our sun, we are left with a neutron star. If it started with more than 20 times the mass of our sun, it becomes a black hole.

2. Neutron stars contain the densest material that we can directly observe

While neutron stars’ dark cousins, black holes, might get all the attention, neutron stars are actually the densest material that we can directly observe. Black holes are hidden by their event horizon, so we can’t see what’s going on inside. However, neutron stars don’t have such shielding. To get an idea of how dense they are, one sugar cube of neutron star material would weigh about 1 trillion kilograms (or 1 billion tons) on Earth—about as much as a mountain. That is what happens when you cram a star with up to twice the mass of our sun into a sphere the diameter of a city.

3. Neutron stars can spin as fast as blender blades

Some neutron stars, called pulsars, emit streams of light that we see as flashes because the beams of light sweep in and out of our vision as the star rotates. The fastest known pulsar, named PSR J1748-2446ad, spins 43,000 times every minute. That’s twice as fast as the typical household blender! Over weeks, months or longer, pulsars pulse with more accuracy than an atomic clock, which excites astronomers about the possible applications of measuring the timing of these pulses.

4. Neutron stars are the strongest known magnets

Like many objects in space, including Earth, neutron stars have a magnetic field. While all known neutron stars have magnetic fields billions and trillions of times stronger than Earth’s, a type of neutron star known as a magnetar can have a magnetic field another thousand times stronger. These intense magnetic forces can cause starquakes on the surface of a magnetar, rupturing the star’s crust and producing brilliant flashes of gamma rays so powerful that they have been known to travel thousands of light-years across our Milky Way galaxy, causing measurable changes to Earth’s upper atmosphere.

5. Neutron stars’ pulses were originally thought to be possible alien signals

Beep. Beep. Beep. The discovery of pulsars began with a mystery in 1967 when astronomers picked up very regular radio flashes but couldn’t figure out what was causing them. The early researchers toyed briefly with the idea that it could be a signal from an alien civilization, an explanation that was discarded but lingered in their nickname for the original object—LGM-1, a nod to the “little green men” (it was later renamed PSR B1919+21). Of course, now scientists understand that pulsars are spinning neutron stars sending out light across a broad range of wavelengths that we detect as very regular pulses – but the first detections threw observers for a loop.

The Neutron star Interior Composition Explorer (NICER) payload that is soon heading to the International Space Station will give astronomers more insight into neutron stars—helping us determine what is under the surface. Also, onboard NICER, the Station Explorer for X-ray Timing and Navigation Technology (SEXTANT) experiment will test the use of pulsars as navigation beacons in space.

Want to learn even more about Neutron Stars? Watch this...

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Flying to New Heights With the Magnetospheric Multiscale Mission

A mission studying Earth’s magnetic field by flying four identical spacecraft is headed into new territory. 

The Magnetospheric Multiscale mission, or MMS, has been studying the magnetic field on the side of Earth facing the sun, the day side – but now we’re focusing on something else. On February 9, MMS started the three-month-long process of shifting to a new orbit. 

One key thing MMS studies is magnetic reconnection – a process that occurs when magnetic fields collide and re-align explosively into new positions. The new orbit will allow MMS to study reconnection on the night side of the Earth, farther from the sun.

Magnetic reconnection on the night side of Earth is thought to be responsible for causing the northern and southern lights.  

To study the interesting regions of Earth’s magnetic field on the night side, the four MMS spacecraft are being boosted into an orbit that takes them farther from Earth than ever before. Once it reaches its final orbit, MMS will shatter its previous Guinness World Record for highest altitude fix of a GPS.

To save on fuel, the orbit is slowly adjusted over many weeks. The boost to take each spacecraft to its final orbit will happen during the first week of April.

On April 19, each spacecraft will be boosted again to raise its closest approach to Earth, called perigee. Without this step, the spacecraft would be way too close for comfort -- and would actually reenter Earth’s atmosphere next winter! 

The four MMS spacecraft usually fly really close together – only four miles between them – in a special pyramid formation called a tetrahedral, which allows us to examine the magnetic environment in three dimensions.

But during orbit adjustments, the pyramid shape is broken up to make sure the spacecraft have plenty of room to maneuver. Once MMS reaches its new orbit in May, the spacecraft will be realigned into their tetrahedral formation and ready to do more 3D magnetic science.

Learn more about MMS and find out what it’s like to fly a spacecraft.