8 Cool Facts About Space Rocks

Image: NASA

22 April 2025

Asteroids: Rocky, airless bodies that orbit the Sun. They range in size from tiny like a car to huge like a city.


Image: NASA

Metal & Carbon Asteroids: Some are made of metal, while others are dark and carbon-rich—like lumps of coal in space.


Image: NASA

Comets: Icy travelers that orbit the Sun. Think of them as dirty snowballs made of ice, rock, and dust.


Image: NASA

Meteoroids: Small bits of rock or metal drifting through space. They break off from asteroids, comets, moons, or planets.


Image: NASA

Meteors: When meteoroids enter Earth's atmosphere and burn up, they become glowing meteors—aka shooting stars.


Image: NASA

Meteor Showers: Happen when Earth passes through comet debris, lighting up the sky with many meteors at once.


Image: NASA

Meteorites: These are space rocks that survive the fiery journey through the atmosphere and land on Earth.


Image: NASA

Dwarf Planets & Kuiper Belt: Dwarf planets are small but fascinating worlds. Many lie in the Kuiper Belt—a ring of icy objects beyond Neptune.


Image: NASA

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