Since its discovery in 2016, planetary scientists have been excited about TRAPPIST-1, a system where seven Earth-sized rocky planets orbit a cool star. Three of the planets are in the habitable zone, the region of space where ...
Astronomy
Apr 17, 2019
1
415
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
0
126
If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
5
177
Astronomers using the NASA/ESA Hubble Space Telescope observed the smallest exoplanet where water vapor has been detected in its atmosphere. At only approximately twice Earth's diameter, the planet GJ 9827d could be an example ...
Astronomy
Jan 25, 2024
0
177
A research team of Japanese astronomers led by Dr. Hideaki Fujiwara (Subaru Telescope) has discovered a main-sequence star that is surrounded by a rare disk of quartz dust. Collisions of planetesimals, building blocks for ...
Astronomy
May 5, 2012
4
0
Earth-like planets may be common in the universe, a new UCLA study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is not unique. The study was published in the journal Science on ...
Astronomy
Oct 17, 2019
7
841
Earth could have lost anywhere between ten and 60 percent of its atmosphere in the collision that is thought to have formed the Moon.
Astronomy
Sep 29, 2020
13
591
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
1
1218
(PhysOrg.com) -- When scientists confirmed in October that they had detected the first rocky planet outside our solar system, it advanced the longtime quest to find an Earth-like planet hospitable to life. The rocky planet ...
Astronomy
Jan 6, 2010
26
0
Earth's magnetic field does more than keep everyone's compass needles pointed in the same direction. It also helps preserve Earth's sliver of life-sustaining atmosphere by deflecting high energy particles and plasma regularly ...
Astronomy
Apr 3, 2023
1
398
