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  1. Asteroid - Wikipedia

    An asteroid is a minor planet —an object larger than a meteoroid that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan …

  2. Asteroid To Miss Earth, But It Might Hit The Moon | Weather.com

    1 day ago · The latest data on asteroid 2024 YR4 has scientists confident that Earth is no longer in the bullseye. However the enormous space rock could hit the moon in late 2032 and that …

  3. Asteroids - Science@NASA

    Apr 25, 2025 · 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 …

  4. What Are Asteroids? (Ages 14-18) - NASA

    Jun 25, 2025 · What are asteroids? Asteroids are rocky objects that orbit the Sun just like planets do. In fact, sometimes asteroids are called “minor planets.” These space rocks were left …

  5. What happens if an asteroid hits the moon? Astronomers are …

    5 days ago · Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some problems for our planet.

  6. Eyes on Asteroids - NASA/JPL

    Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.

  7. Asteroid | Definition, Size, & Facts | Britannica

    Jul 18, 2025 · 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 …

  8. What Is an Asteroid? | NASA Space Place – NASA Science for Kids

    Jul 2, 2025 · The objects in the asteroid belt never had the chance to be incorporated into planets. They are leftovers from that time long ago when planets formed. Are all asteroids the same? …

  9. In Depth | Asteroids – NASA Solar System Exploration

    Most of this ancient space rubble can be found orbiting our Sun between Mars and Jupiter within the main asteroid belt. Asteroids range in size from Vesta – the largest at about 329 miles (530 …

  10. Notable Asteroid Examples and Their Features - Biology Insights

    3 days ago · Uncover the distinct characteristics of various asteroids, how they’re categorized, and what scientific exploration reveals about their vital role in our solar system’s history.