Mysterious dust ring beyond Jupiter formed many of our Solar System’s earliest worlds
In the young Solar System, a dust trap beyond Jupiter may have built wildly different meteorite parent bodies…
Ancient impact with Theia may have brought water and life to Earth
Earth’s story may have hardened into place almost as soon as the Solar System began. That is the…
Webb Telescope Detects Unusually High Levels of “Heavy Hydrogen,” a Key Component of Nuclear Fusion Fuel, in 3I/ATLAS
New observations of the interstellar comet 3I/ATLAS by NASA’s James Webb Space Telescope have revealed an all-new twist…
4.6 billion years ago, Jupiter saved Earth during its formation
When the solar system formed about 4.6 billion years ago, a gigantic cloud of dust and gas collapsed…
3I/ATLAS-Like Interstellar Objects Could Kick Start Planet Formation around High-Mass Stars
The discovery of 1I/Oumuamua, 2I/Borisov and 3I/ATLAS showed that significant numbers of interstellar objects populate interstellar space. Their…
James Webb Space Telescope spots odd planet-forming disk around infant star
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Astronomers Spot Growing Protoplanet in Disk Gap around Young Solar Analog
Using the SPHERE instrument on ESO’s Very Large Telescope (VLT), astronomers have directly imaged a 4.9-Jupiter-mass protoplanet in…
Earth, Mars, Venus — and a long-lost planet — may have once ‘waltzed’ in perfect harmony around the sun
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