New giant planet shows evidence of possible planetary collisions
A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary clash.
A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary clash.
Planetary Sciences
Aug 30, 2023
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Using the James Webb Space Telescope, the MPIA-led MINDS research collaboration discovered water in the inner region of a disk of gas and dust around the young star PDS 70. Astronomers expect terrestrial planets to be forming ...
Planetary Sciences
Jul 24, 2023
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114
Billions of years ago, in the giant disk of dust, gas, and rocky material that orbited our young sun, larger and larger bodies coalesced to eventually give rise to the planets, moons, and asteroids we see today.
Planetary Sciences
Jul 5, 2023
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How close can a rocky planet be to a star, and still sustain water and life?
Astrobiology
Jun 21, 2023
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Infrared measurements of TRAPPIST-1 c indicate that it is probably not as Venus-like as once imagined.
Planetary Sciences
Jun 19, 2023
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290
An international team of astronomers including several Dutch researchers has observed, for the first time, the benzene molecule (C6H6) in a planet-forming disk around a young star. Besides benzene, they saw many other, smaller ...
Astronomy
May 11, 2023
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315
GJ 486 b is about 30% larger than the Earth and three times as massive, which means it is a rocky world with stronger gravity than Earth. It orbits a red dwarf star in just under 1.5 Earth days. It is too close to its star ...
Planetary Sciences
May 1, 2023
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93
Researchers using the James Webb Space Telescope (JWST) have taken a first look at their data that probe the chemistry of the regions of disks around young stars where rocky planets form. Already at that stage, the data reveal ...
Astronomy
Apr 13, 2023
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237
Earth's water could have originated from interactions between the hydrogen-rich atmospheres and magma oceans of the planetary embryos that comprised Earth's formative years, according to new work from Carnegie Science's Anat ...
Planetary Sciences
Apr 12, 2023
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126
The massive Kepler survey found a treasure trove of exoplanets. But in all that wealth they found three anomalies: what appeared to be rings of dust surrounding stars where planets should be. They were rocky planets in the ...
Astronomy
Apr 10, 2023
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