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Astronomers announce largest collection of exocomets found
For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...
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Astronomers Reveal Largest Collection of Comets Outside Earth’s Solar System Ever Found
Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...
Earth grew an extra, never-before-seen 'radiation belt' after last year's supercharged solar storm — and it's probably still there
Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...
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Why Is Pluto No Longer a Planet?
Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't ...
Asteroid 2024 YR4 on NASA's Radar: What Are Near Earth Objects (NEOs)?
NASA and ESA monitor asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Learn about Near-Earth Objects ...