is there a pre-flight personal ritual that you do before piloting a flight?
@yesrazorbladecupcakes: Do you guys ever just goof off?
Five morning planets, Comet Catalina passes Polaris and icy Uranus and icy Vesta meet near Valentine’s Day.
February mornings (until Feb. 20) feature Mercury, Venus, Saturn, Mars and Jupiter. The last time this five-planet dawn lineup happened was in 2005. The planets are easy to distinguish when you use the moon as your guide. Details on viewing HERE.
If you miss all five planets this month, you’ll be able to see them again in August’s sunset sky.
Last month, Comet Catalina’s curved dust tail and straight ion tail were visible in binoculars and telescopes near two galaxies that are close to the handle of the Big Dipper. Early this month, the comet nears Polaris, the North Star. It should be visible all month long for northern hemisphere observers.
There will be more opportunities to photograph Comet Catalina paired with other objects this month. It passes the faint spiral galaxy IC 342 and a pretty planetary nebula named NGC 1501 between Feb. 10 – 29. For binocular viewers, the magnitude 6 comet pairs up with a pretty string of stars, known as Kemble’s Cascade, on Feb. 24.
Finally, through binoculars, you should be able to pick out Vesta and Uranus near one another this month. You can use the moon as a guide on Feb. 12, and the cornerstone and the corner stars of Pegasus all month long.
For more information about What’s Up in the February sky, watch our monthly video HERE.
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Aboard the International Space Station this morning, Astronaut Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA) successfully captured JAXA's Kounotori 5 H-II Transfer Vehicle (HTV-5) at 6:28 a.m. EDT.
Yui commanded the station's robotic arm, Canadarm2, to reach out and grapple the HTV-5, while NASA astronauts Kjell Lindgren provided assistance and Scott Kelly monitored HTV-5 systems. The HTV-5 launched aboard an H-IIB rocket at 7:50 a.m. Wednesday, Aug. 19, from the Tanegashima Space Center in southern Japan. Since then, the spacecraft has performed a series of engine burns to fine-tune its course for arrival at the station.
The HTV-5 is delivering more than 8,000 pounds of equipment, supplies and experiments in a pressurized cargo compartment. The unpressurized compartment will deliver the 1,400-pound CALorimetric Electron Telescope (CALET) investigation, an astrophysics mission that will search for signatures of dark matter and provide the highest energy direct measurements of the cosmic ray electron spectrum.
Below is a breathtaking image shared by Astronaut Scott Kelly of the HTV-5 and Canadarm2, which reached out and grappled the cargo spacecraft.
Thanks for all of the great questions! Follow me at @Astro_Jessica on Twitter and Instagram and follow the Orion space capsule as it prepares to fly to deep space on Twitter and Facebook. Follow NASA on Tumblr for your regular dose of space: http://nasa.tumblr.com
The comprehensive test series called Green Run for our Space Launch System (SLS) rocket is underway at Stennis Space Center in Mississippi.
During Green Run, the rocket’s massive, 212-foot-tall core stage — the same flight hardware that will help launch Artemis I to the Moon – will operate together for the first time.
Here’s what you need to know about this top-to-bottom test series of our megarocket’s huge core:
Why is it called Green Run? “Green” refers to the new, untested hardware (AKA the core stage), and “run” represents the succession of tests the core stage paces through. One by one, this series will bring together several “firsts” for the rocket stage as the flight hardware undergoes eight different tests. Each test is designed to gradually bring our rocket’s core stage and all its systems to life for the first time.
So far, engineers have completed three of the series: the modal test, the avionics power-on, and the safety systems checkout. The safety systems are designed to end the test and shutdown systems automatically under undesirable conditions.
You can follow the progress of Green Run with this Green Run checklist infographic. Our team will be updating in real time as each Green Run test is completed.
The world’s tallest rocket stage is tested in an equally giant test stand. We upgraded the B-2 Test Stand used for the Saturn V rocket stages during the Apollo Program and, later, for the Space Shuttle Program. Now, the B-2 Test Stand is customized for testing our SLS core stage. When all four core stage engines fire up, they can generate some serious heat. So, the B-2 Test Stand will use roughly 100,000 gallons of water every 18 seconds to protect the stand and the hardware.
Speaking of engines firing up, the core stage will really show what it is capable of during the grand finale of Green Run. The goal is for the entire core stage to operate as one for up to 8.5 minutes — and that includes an impressive firing of all four RS-25 engines simultaneously. Just like at launch, more than 733,000 gallons of liquid propellant will flow from the two propellant tanks through the fuel lines to feed the RS-25 engines. When operating at sea level on the test stand, the cluster of four RS-25 engines will produce just over 1.6 million pounds of thrust – the same amount it will produce during the early phase of launch. During ascent, the core stage will produce a maximum thrust of over 2 million pounds.
All the Green Run tests, check outs and the 100 terabytes of collected data certify the core stage design and help verify the stage is ready for launch. To put the sheer amount of data collected during Green Run into perspective, just one terabyte is the equivalent of roughly 500 hours of movies. Even the Library of Congress’s collection only amounts to a total of 15 terabytes!
The next time our SLS rocket’s core stage fires up will be on the launch pad at Kennedy Space Center for the debut of the Artemis program. This inaugural SLS flight will be just the beginning of increasingly complex missions that will enable human exploration to the Moon and, ultimately, Mars.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com
In just four days this summer, miles of snow melted from Lowell Glacier in Canada. Mauri Pelto, a glaciologist at Nichols College, called the area of water-saturated snow a “snow swamp.”
These false-color images show the rapid snow melt in Kluane National Park in the Yukon Territory. The first image was taken on July 22, 2018, by the European Space Agency’s Sentinel-2; the next image was acquired on July 26, 2018, by the Landsat 8 satellite.
Ice is shown as light blue, while meltwater is dark blue. On July 26, the slush covered more than 25 square miles (40 square km).
During those four days, daily temperatures 40 miles (60 km) northeast of the glacier reached 84 degrees Fahrenheit (29 degrees Celsius) — much higher than normal for the region in July.
Read more: https://go.nasa.gov/2Q9JSeO
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November 11 each year is a day we honor those who have served in our nation’s armed forces.
Discover how we have close ties to the military, even to this day, and see who has traded in their camouflage uniform for an astronaut flight suit.
There have been veterans working for us since the beginning, even when it was still called the National Advisory Committee for Aeronautics (NACA).
Additionally, there are several active duty military members working at NASA facilities through special government programs.
Today, there are more than 1500 veterans currently employed with us. Their experiences in the military make their expertise invaluable around the agency. We value the unique leadership style they bring to the work place. Above and below are some astronaut veterans.
A Partnership for the Space Age
Since the early days of NASA, we’ve partnered with all branches of the military. We still work closely with the military today and rely on the expertise of our service members to support our missions both while in active duty and in the civilian workforce. Here are some examples of this close partnership:
The Marines helped with recovery efforts of Astronaut Alan Shepard at the end of his sub-orbital flight on May 5, 1961...a task performed across several of our missions.
Today, the Navy helps us recover spacecraft, just like the Orion space capsule...which will one day carry astronauts into deep space and eventually on our journey to Mars.
. . .and the Air Force has traditionally and continues to help us transport sensitive and critical space hardware around the globe.
The Coast Guard has even helped us access remote locations to collect oceanographic data as part of our efforts to study and learn more about the Earth.
We’ve partnered with the Army to use their unique capabilities at the Yuma Proving Ground to test the entry, descent and landing of our spacecraft systems.
To all the Veteran’s out there, we thank you for your service to America and your continued support of America’s space program.
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Phytoplankton. Have you ever heard of them? At NASA, these tiny organisms are kind of a big deal.
Biodiversity in the ocean is a delicate, but essential balance for life on Earth. One way NASA studies this balance is by observing phytoplankton – microalgae that contain chlorophyll, require light to grow, and form the base of the marine food chain.
Phytoplankton even have an essential role in an upcoming NASA mission.
This mission is called PACE- "Plankton, Aerosol, Cloud, ocean Ecosystem.” It will reveal interactions between the ocean and atmosphere, including how they exchange carbon dioxide and how atmospheric aerosols might fuel phytoplankton growth in the surface ocean.
Here are four areas main areas the mission will focus on as part of #WorldOceansMonth.
The word “bloom” sounds pretty, but harmful algal blooms (HABs) are anything but.
When an ocean region is rich in nutrients – think of it as adding fertilizer to the ocean - phytoplankton such as cyanobacteria multiply much faster than usual. This is called a “bloom.”
Some blooms are smelly and ugly but harmless. Others, like HABs, release toxins into the water that can make fish, shellfish, turtles and even humans very sick.
NASA’s PACE mission will help track phytoplankton growth and ocean health to make sure all of us stay healthy, balanced and blooming. In a good way.
What do phytoplankton and clouds have in common? More than you might think.
PACE will also study aerosols, which are any particles or droplets suspended in our atmosphere. Humans create aerosols, like soot or car exhaust, but some phytoplankton release aerosols too.
For example, dust – also an aerosol – can blow into the ocean, depositing iron that helps phytoplankton grow. These phytoplankton then release dimethyl sulfide, a gas that turns into an aerosol, which can influence how clouds form.
Whether the aerosols in our atmosphere come from the ocean or land, it’s important to know how they are impacting our environment. PACE will help clear up some of our questions about what is in our air.
A healthy ocean supports healthy industries and economies, contributes to a healthy atmosphere and helps keep plants, animals and humans healthy and happy. One key to a healthy, balanced ocean is lots of biodiversity.
Biodiversity means having a wide variety of plant and animal species in an ecosystem. It’s important to have many different species of phytoplankton, because each species plays a different role in processing carbon, providing food for tiny animals, and keeping the ocean healthy.
PACE will track the size and movements of phytoplankton populations from space to help our seas stay diverse and bountiful.
One simple reason for tracking the ocean’s health is that fish eat tiny animals that eat phytoplankton, and people eat fish.
Fisheries and aquaculture support about 12 percent of jobs around the world, including employing more than 3 million people in the United States. By better understanding our ocean’s health and how it might change in the future, we can make predictions about impacts to our economies and food supply.
To learn more about phytoplankton, visit our website.
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A quarter-century ago, the Solar and Heliospheric Observatory (SOHO) launched to space. Its 25 years of data have changed the way we think about the Sun — illuminating everything from the Sun’s inner workings to the constant changes in its outermost atmosphere.
SOHO — a joint mission of the European Space Agency and NASA — carries 12 instruments to study different aspects of the Sun. One of the gamechangers was SOHO’s coronagraph, a type of instrument that uses a solid disk to block out the bright face of the Sun and reveal the relatively faint outer atmosphere, the corona. With SOHO’s coronagraph, scientists could image giant eruptions of solar material and magnetic fields, called coronal mass ejections, or CMEs. SOHO’s images revealed shape and structure of CMEs in breathtaking detail.
These solar storms can impact robotic spacecraft in their path, or — when intense and aimed at Earth — threaten astronauts on spacewalks and even disrupt power grids on the ground. SOHO is particularly useful in viewing Earth-bound storms, called halo CMEs — so called because when a CME barrels toward us on Earth, it appears circular, surrounding the Sun, much like watching a balloon inflate by looking down on it.
Before SOHO, the scientific community debated whether or not it was even possible to witness a CME coming straight toward us. Today, SOHO images are the backbone of space weather prediction models, regularly used in forecasting the impacts of space weather events traveling toward Earth.
Beyond the day-to-day monitoring of space weather, SOHO has been able to provide insight about our dynamic Sun on longer timescales as well. With 25 years under its belt, SOHO has observed a full magnetic cycle — when the Sun’s magnetic poles switch places and then flip back again, a process that takes about 22 years in total. This trove of data has led to revolutions in solar science: from revelations about the behavior of the solar core to new insight into space weather events that explode from the Sun and travel throughout the solar system.
Data from SOHO, sonified by the Stanford Experimental Physics Lab, captures the Sun’s natural vibrations and provides scientists with a concrete representation of its dynamic movements.
The legacy of SOHO’s instruments — such as the extreme ultraviolet imager, the first of its kind to fly in orbit — also paved the way for the next generation of NASA solar satellites, like the Solar Dynamics Observatory and STEREO. Even with these newer instruments now in orbit, SOHO’s data remains an invaluable part of solar science, producing nearly 200 scientific papers every year.
Relatively early in its mission, SOHO had a brush with catastrophe. During a routine calibration procedure in June 1998, the operations team lost contact with the spacecraft. With the help of a radio telescope in Arecibo, the team eventually located SOHO and brought it back online by November of that year. But luck only held out so long: Complications from the near loss emerged just weeks later, when all three gyroscopes — which help the spacecraft point in the right direction — failed. The spacecraft was no longer stabilized. Undaunted, the team’s software engineers developed a new program that would stabilize the spacecraft without the gyroscopes. SOHO resumed normal operations in February 1999, becoming the first spacecraft of its kind to function without gyroscopes.
SOHO’s coronagraph have also helped the Sun-studying mission become the greatest comet finder of all time. The mission’s data has revealed more than 4,000 comets to date, many of which were found by citizen scientists. SOHO’s online data during the early days of the mission made it possible for anyone to carefully scrutinize a image and potentially spot a comet heading toward the Sun. Amateur astronomers from across the globe joined the hunt and began sending their findings to the SOHO team. To ease the burden on their inboxes, the team created the SOHO Sungrazer Project, where citizen scientists could share their findings.
Keep up with the latest SOHO findings at nasa.gov/soho, and follow along with @NASASun on Twitter and facebook.com/NASASunScience.
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President Obama made a special phone call today - all the way to the International Space Station. During his chat, American astronauts Scott Kelly and Kjell Lindgren highlighted some important things we’re doing here at NASA:
One Year Mission
Astronaut Scott Kelly is a little over halfway through his One-Year Mission, and the President wanted to know how he was doing. Kelly’s year in space is providing essential research on our journey to Mars. The studies performed throughout his time on the space station will give us new insights to how the human body adjusts to weightlessness, isolation, radiation and stress during long duration spaceflight.
Adjusting to Microgravity... Like Riding a Bike?
During the call, the President asked Kelly if anything has surprised him while he’s been in space. Kelly responded and told him that he was surprised at how easily he remembered and adapted to microgravity from his previous missions. The President remarked, “So being an astronaut is like riding a bicycle?”
In space, there is no “up” or “down.” That can mess with the human brain and affect the way people move and think in space. An investigation on the International Space Station seeks to understand how the brain changes in space and ways to deal with those changes.
Research on the International Space Station
November marks the 15 years of continuous human presence on the International Space Station! During the call, the President pointed out that many of today’s children have never known a time when we didn’t have astronauts living aboard the International Space Station. Pretty amazing! There are currently more than 400 experiments on the station that will not only help us achieve our goals in space, but will also benefit life on Earth.
Inspiring the Next Generation
President Obama made sure to tell Kelly and Lindgren that he was proud of the work they’re doing to inspire the next generation of astronauts. He even mentioned how Scott Kelly’s Instagram feed provides an amazing glimpse into life for would-be astronauts. This next generation will be the first humans to step foot on Mars.
Journey To Mars
President Obama highlighted the fact that he has tasked NASA with sending humans on a journey to Mars. He hopes to see the first humans walk on the Martian surface in his lifetime, and supports the work we’re doing to get there.
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