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
A large international team of astronomers has discovered that the dwarf planet Quaoar is circled by a second ring. In their study, accepted for publication in the journal Astronomy & Astrophysics, the group discovered the ...
The James Webb Space Telescope has measured the temperature of a rocky exoplanet for the first time, finding that a "cousin" of Earth most likely lacks an atmosphere, researchers said Monday.
Planetary Sciences
Apr 2, 2023
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92
In the search for life elsewhere in the universe, scientists have traditionally looked for planets with liquid water at their surface. But, rather than flowing as oceans and rivers, much of a planet's water can be locked ...
Astronomy
Mar 15, 2023
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343
As tragic as it is, engulfment of a planetary object by its stellar parent is a common scenario throughout the universe. But it doesn't have to end in doom. A team of astrophysicists have used computer simulations to discover ...
Astronomy
Mar 7, 2023
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7
There is a mystery in our solar system surrounding the orbits of Kuiper belt objects. More than one trillion icy objects smaller than our moon orbit the sun in a donut-shaped ring beyond Neptune. Oddly, a cluster of outer ...
New astronomical measurements in the infrared range have led to the identification of a heretofore unknown class of asteroids. An international research team including geoscientists from Heidelberg University has succeeded ...
Astronomy
Feb 20, 2023
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423
Scientists have discovered a new ring system around a dwarf planet on the edge of the solar system. The ring system orbits much further out than is typical for other ring systems, calling into question current theories of ...
Astronomy
Feb 8, 2023
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489
Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new warm brown dwarf. The newfound object, designated HIP 33609 b, transits a bright and rapidly rotating star. ...
A team of astronomers using two Maunakea Observatories in Hawaiʻi—W. M. Keck Observatory and Subaru Telescope—have photographed a brown dwarf orbiting HIP 21152, a young sun-like star in the Hyades Cluster.
Astronomy
Jan 24, 2023
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