10 Intriguing Worlds Beyond Our Solar System

10 Intriguing Worlds Beyond Our Solar System

In celebration of the 20th anniversary of the first confirmed planet around a sun-like star (aka exoplanet), a collection of some interesting exoplanets has been put together. Some of these are rocky, some are gaseous and some are very, very cold. But there’s one thing each these strange new worlds have in common: All have advanced scientific understanding of our place in the cosmos. Check out these 10 exoplanets, along with artist’s concepts depicting what they might look like. For an extended list of 20 exoplanets, go HERE. 

1. Kepler-186f

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Kepler-186f was the first rocky planet to be found within the habitable zone – the region around the host star where the temperature is right for liquid water. This planet is also very close in size to Earth. Even though we may not find out what’s going on at the surface of this planet anytime soon, it’s a strong reminder of why new technologies are being developed that will enable scientists to get a closer look at distance worlds. 

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2. HD 209458 b (nickname “Osiris”)

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The first planet to be seen in transit (crossing its star) and the first planet to have it light directly detected. The HD 209458 b transit discovery showed that transit observations were feasible and opened up an entire new realm of exoplanet characterization.

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3. Kepler-11 system

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This was the first compact solar system discovered by Kepler, and it revealed that a system can be tightly packed, with at least five planets within the orbit of Mercury, and still be stable. It touched off a whole new look into planet formation ideas and suggested that multiple small planet systems, like ours, may be common.

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4. Kepler-16b

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A real-life “Tatooine,” this planet was Kepler’s first discovery of a planet that orbits two stars – what is known as a circumbinary planet.

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5. 51 Pegasi b

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This giant planet, which is about half the mass of Jupiter and orbits its star every four days, was the first confirmed exoplanet around a sun-like star, a discovery that launched a whole new field of exploration.

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6. CoRoT 7b

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The first super-Earth identified as a rocky exoplanet, this planet proved that worlds like the Earth were indeed possible and that the search for potentially habitable worlds (rocky planets in the habitable zone) might be fruitful.

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7. Kepler-22b

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A planet in the habitable zone and a possible water-world planet unlike any seen in our solar system.

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8. Kepler-10b

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Kepler’s first rocky planet discovery is a scorched, Earth-size world that scientists believe may have a lava ocean on its surface.

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9. Kepler-444 system

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The oldest known planetary system has five terrestrial-sized planets, all in orbital resonance. This weird group showed that solar systems have formed and lived in our galaxy for nearly its entire existence.

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10. 55 Cancri e

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Sauna anyone? 55 Cancri e is a toasty world that rushes around its star every 18 hours. It orbits so closely – about 25 times closer than Mercury is to our sun – that it is tidally locked with one face forever blistering under the heat of its sun. The planet is proposed to have a rocky core surrounded by a layer of water in a “supercritical” state, where it is both liquid and gas, and then the whole planet is thought to be topped by a blanket of steam. 

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15 Years of Station Told in 15 Gifs

1. International Space Station Assembly Animation

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From 1998 to 2011, five different space agencies representing 15 countries assembled the International Space Station, the largest structure ever built in space.  Today humans are still living and work in the orbital laboratory. November 2, 2015 marks the 15th anniversary of continuous human presence onboard.

2. Entry of Expedition 1

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Expedition 1 crew members including, Commander William Shepherd and Cosmonauts Sergei Krikalev and Yuri Gidzenko arrive to the International Space Station for the first time on November 2, 2000.

3. September 11, 2001

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Expedition 3 Commander Frank Culbertson was the only American living off the planet on September 11, 2001. He captured his view of the fateful day from the space station. 

4. Kibo

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The Japanese Experiment Module, or Kibo, is installed to the space station on June 3, 2008. Kibo means “hope” in Japanese, and it is the largest single space station module.

5. First 6-person Crew

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The first 6 person crew on the space station gathers for a press conference in May 29, 2009.  Because it was comprised of astronauts from NASA, CSA, ESA, JAXA, and Russia, this was the first and only time all international partners were represented on the space station at the same time. 

6. SpaceX Dragon

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The space station’s robotic arm captures the SpaceX Dragon during its demonstration flight on May 25, 2012, making it the first commercial vehicle ever to dock with the space station.

7. Olympic Torch

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Russian Cosmonauts Sergey Ryanzanskiy and Oleg Kotov bring the Olympic torch outside the space station during a spacewalk on November 9, 2013. The torch traveled to the station as part of the Olympic torch relay ahead of the 2014 Winter Olympics in Sochi, Russia. 

8. Testing Fire in Space

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Astronaut Reid Weisman captured a floating sphere of fire observed during the Flex-2 experiment on space station on July 18, 2014. The findings may lead to better engines here on Earth. 

9. Aurora

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Astronaut Reid Weisman’s timelapse of a flickering aurora seen from space station on August 28, 2014.

10. Sunrise

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Astronaut Reid Weisman’s timelapse of what a sunrise looks like from the space station on September 23, 2014.

11. Water Bubbles

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Astronaut Reid Weisman experiments with water bubbles in space on November 8, 2014.

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Astronauts Terry Virts and Barry “Butch” Wilmore capture the first GoPro footage of a spacewalk on February 25, 2015.

13. Lightning

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Astronaut Terry Virts filmed a massive lightning storm over India from the space station on May 9, 2015.

14. Milky Way

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Astronaut Terry Virts captured a stunning view of the Milky Way from space station on May 15, 2015.

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Astronauts Scott Kelly, Kjell Lindgren, and Kimiya Yui taste lettuce that had been grown and harvested in space for the very first time on August 10, 2015.

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inter-stellxr-blog - Lost among the stars
Lost among the stars

"I don't know who will read this. I guess someone will find it eventually. Maybe in a hundred years or so." -Mark Watney

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