A deep dive into the interior of red dwarfs
Red dwarfs are the most abundant stars in the Milky Way, making up 70% of all stars.
Red dwarfs are the most abundant stars in the Milky Way, making up 70% of all stars.
Plasma Physics
Sep 8, 2022
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Newspapers around the world printed the discovery on their front pages: Astronomers had found that a red dwarf star called TRAPPIST-1 was home to a close-knit family of seven Earth-size planets. NASA announced the system ...
Astronomy
Feb 22, 2022
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As our solar system formed 4.6 billion years ago, small grains of dust and ice swirled around, left over from the formation of the Sun. Through time, they collided and stuck to each other. As they grew in size, gravity helped ...
Astronomy
Dec 3, 2021
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Superflares, extreme radiation bursts from stars, have been suspected of causing lasting damage to the atmospheres and thus habitability of exoplanets. A newly published study found evidence that they only pose a limited ...
Astronomy
Aug 5, 2021
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In February of 2017, the scientific community rejoiced as NASA announced that a nearby star (TRAPPIST-1) had a system of no less than seven rocky planets. Since that time, astronomers have conducted all kinds of follow-up ...
Astronomy
Jul 17, 2020
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The cold, dark chaos of space is filled with mystery.
Astronomy
Jul 9, 2020
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If you look out on the sky on a nice clear dark night, you'll see thousands of intense points of light. Those stars are incredibly far away, but bright enough to be seen with the naked eye from that great distance—a considerable ...
Astronomy
May 7, 2020
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In 2017, an international team of astronomers announced a momentous discovery. Based on years of observations, they found that the TRAPPIST-1 system (an M-type red dwarf located 40 light-years from Earth) contained no less ...
Astronomy
Apr 10, 2020
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In 2021, NASA's next-generation observatory, the James Webb Space Telescope (JWST), will take to space. Once operational, this flagship mission will pick up where other space telescopes—like Hubble, Kepler and Spitzer—left ...
Astronomy
Mar 30, 2020
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NASA's Juno mission captured this look at the southern hemisphere of Jupiter on Feb. 17, 2020, during the spacecraft's most recent close approach to the giant planet.
Astronomy
Mar 19, 2020
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