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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)
- NASA confirms a bus-sized asteroid passed Earth on 22 December 2025 . . .
Science News: NASA confirmed that a bus-sized asteroid passed Earth on 22 December 2025 in a routine flyby that had been tracked well in advance and posed no risk t
- 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
- 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
- An asteroid could hit the moon in 2032, scattering debris toward Earth
Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now
- Clemson astrophysicists tell us about asteroids and whether we need to . . .
Asteroids can give scientists key insights into the formation of our solar system and the Milky Way They contain materials that predate the formation of our solar system Earlier this year, a “city killer” asteroid made major headlines for its slim chance of striking Earth in 2032
- Inside NASA’s Mission to Defend Earth From Deadly Asteroids
Inside NASA’s Mission to Defend Earth From Deadly Asteroids Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse In Washington, a NASA office is leading efforts to spot and neutralize threats—before it’s too late
- What are asteroids really made of? New analysis brings space mining . . .
Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources By analyzing rare
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