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Asteroid belt — What it is, where it is and how it formed
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
In a similar vein, the 2023 source, cs2, recently emerged from another rare yet sizable asteroid collision. The impact poofed ...
SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation ...
The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...
Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...
Since then, astronomers have observed all manner of lensing caused by all manner of bodies—perhaps none as visually striking ...
The Why Files on MSN
What really happened to the planet between Mars and Jupiter
For decades, some scientists argued that our solar system showed signs of ancient catastrophe. A missing planet between Mars ...
New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building bodies. The structures often resemble our asteroid and Kuiper belts, hinting ...
One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...
Traces of comets and asteroids in distant solar systems: In young planetary systems, mutual collisions between asteroids or comets generate large amounts of dust, forming a "debris disk". The disk ...
A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...
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