Astronomers have detected "hot Jupiter" exoplanets transiting two distant stars. The newly found alien worlds, designated EPIC 229426032 b and EPIC 246067459 b, appear to be larger than it should be according to theoretical ...
This image of Jupiter's swirling south polar region was captured by NASA's Juno spacecraft as it neared completion of its tenth close flyby of the gas giant planet.
Space Exploration
Jan 29, 2018
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Pluto hogs the spotlight in the continuing scientific debate over what is and what is not a planet, but a less conspicuous argument rages on about the planetary status of massive objects outside our solar system. The dispute ...
Astronomy
Jan 23, 2018
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NASA is beginning to design its next big astrophysics mission, a space telescope that will provide the largest picture of the universe ever seen with the same depth and clarity as the Hubble Space Telescope.
Astronomy
Dec 22, 2017
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Taking a picture of an exoplanet—a planet in a solar system beyond our sun—is no easy task. The light of a planet's parent star far outshines the light from the planet itself, making the planet difficult to see. While ...
Astronomy
Dec 4, 2017
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The Juno spacecraft captured this image when the spacecraft was only 11,747 miles (18,906 kilometers) from the tops of Jupiter's clouds—that's roughly as far as the distance between New York City and Perth, Australia. The ...
Space Exploration
Dec 4, 2017
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Since astronomers first measured the size of an extrasolar planet seventeen years ago, they have struggled to answer the question: how did the largest planets get to be so large? Thanks to the recent discovery of twin planets ...
Astronomy
Nov 27, 2017
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The discovery of a planet with a highly elliptical orbit around an ancient star could help us understand more about how planetary systems form and evolve over time.
Astronomy
Nov 16, 2017
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(Phys.org)—John Chambers, a planetary scientist with the Department of Terrestrial Magnetism at Carnegie Institution has suggested a new theory regarding the formation of gas giant planets. In his paper uploaded to the ...
Jupiter's moon Amalthea casts a shadow on the gas giant planet in this image captured by NASA's Juno spacecraft. The elongated shape of the shadow is a result of both the location of the moon with relation to Jupiter in this ...
Space Exploration
Oct 20, 2017
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