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Subaru data show 3I/ATLAS coma chemistry shifted near the sun
When interstellar comet 3I/ATLAS was first examined in detail last summer, its gas cloud was swimming in carbon dioxide, ...
Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...
Scientists observe interstellar comet 3I/ATLAS releasing massive water vapor near the Sun, revealing clues about material ...
Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...
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Comet 3I/ATLAS spewed methane as it passed the sun, revealing hidden ices beneath its surface
Learn how Comet 3I/ATLAS began to emit methane as it approached the sun, releasing compounds contained within its inner ...
Comet C/2025 R3 (PanSTARRS) is brightening in the night sky in April. Here's when and how to see the buzzworthy celestial ...
The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.
A rare asteroid will soon be visible to the naked eye in a rare celestial event, according to astronomers. Asteroid 99942 ...
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