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Asteroid - Wikipedia
An asteroid is a minor planet —an object larger than a meteoroid (thus 1 meter or larger) that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan asteroids).
Asteroids - Science@NASA
Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system about 4.6 billion years ago. Most asteroids can be found orbiting the Sun between Mars and Jupiter within the main asteroid belt.
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Asteroid | Definition, Size, & Facts | Britannica
Asteroid, any of a host of small bodies, about 1,000 km (600 miles) or less in diameter, that orbit the Sun primarily between the orbits of Mars and Jupiter in a nearly flat ring called the asteroid belt. Hundreds of thousands of asteroids are known.
What are asteroids? | Space
Asteroids are space rocks that mostly exist between Mars and Jupiter. They are made of material left over from the birth of the solar system.
Next Asteroid to Hit Earth | Asteroid 2026 | Asteroid Heading Towards Earth
Is it likely for an asteroid to hit Earth anytime soon? In this article, we’ll answer the most burning questions about potentially hazardous asteroids.
Asteroid Alerts
NASA's asteroid-bound Psyche spacecraft flew by Mars for a gravity assist on the way to its final target. And it took some close-up pictures on the way. NASA’s Psyche spacecraft completed its close approach of Mars on May 15, coming within 2,864 miles (4,609 kilometers) of the planet’s surface.
11,000 Asteroids Have Just Been Found — 33 Are Near-Earth Objects
Around 11,000 asteroids have been discovered in the solar system by scientists operating the new Vera C. Rubin Observatory in Chile, home to the world’s biggest camera. The haul includes hundreds...
What is an asteroid? A beginner's guide to the spacerocks and where ...
What are asteroids, where do they come from and how can you see an asteroid in the night sky? A guide to these fascinating space rocks.
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