Discovery of two planetary systems around sun-like stars
A study published today (Dec. 15) in the journal Astronomy & Astrophysics reveals the discovery of two new planetary systems orbiting stars similar to our sun, also known as solar analogs.
A study published today (Dec. 15) in the journal Astronomy & Astrophysics reveals the discovery of two new planetary systems orbiting stars similar to our sun, also known as solar analogs.
Astronomy
Dec 15, 2023
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Astronomers from the Harvard–Smithsonian Center for Astrophysics (CfA) and elsewhere, report the discovery of a new 'warm Jupiter' exoplanet orbiting a rapidly rotating F-type star. The newfound alien world, designated ...
We all know that to have life on a world, you need three critical items: water, warmth, and food. Now add to that a factor called "entropy." It plays a role in determining if a given planet can sustain and grow complex life.
Astrobiology
Dec 14, 2023
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Brown dwarfs are sometimes called failed stars, since they form like stars through gravitational collapse, but never gain enough mass to ignite nuclear fusion. The smallest brown dwarfs can overlap in mass with giant planets. ...
Astronomy
Dec 13, 2023
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A spacecraft the size of a cereal box has collected precise measurements of the atmospheres of large and puffy planets called "hot Jupiters." The findings, led by a team from the University of Colorado Boulder, could help ...
Planetary Sciences
Dec 11, 2023
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NASA satellite and airborne tools aid an international team studying biodiversity on land and in the water around South Africa.
Ecology
Dec 11, 2023
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Astronomers know of about 60 rocky exoplanets orbiting in the habitable zones of their stars. When they try to determine how habitable these planets might be, detecting water in their atmospheres plays a huge role. But what ...
Planetary Sciences
Dec 7, 2023
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Only two of the more than 5,300 known exoplanets have so far provided evidence of moons in orbit around them. In observations of the planets Kepler-1625b and Kepler-1708b from the Kepler and Hubble space telescopes, researchers ...
Astronomy
Dec 7, 2023
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Planet Earth is full of some truly awe-inspiring spectacles, but few are as intriguing as sprites, which are officially known as a transient luminous event (TLE) and consist of large-scale electric discharges that shoot upward ...
Planetary Sciences
Dec 5, 2023
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In 2019, the GLOBE Land Cover project began asking volunteers to help map planet Earth by taking photos of their surroundings facing multiple directions, including north, south, east and west. Now, a new paper published in ...
Earth Sciences
Dec 5, 2023
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