asteroid
- noun
- /ˈæstərɔɪd/
- NASA's mission to explore the asteroid belt between Mars and Jupiter will help us learn more about the formation of our solar system.
- asteroid belt
- asteroid strike
- near-Earth asteroid
Here's the thing, that asteroid, it's not real.
- Here's the thing, that asteroid, it's not real.
- NASA's mission to the asteroid Psyche is back on track.
- Or maybe if they're mining asteroids that might produce dust that we could detect.
- Dear Atheist, how is it that Cavemen survived the asteroid but the dinosaurs didn't?
- Nuclear war is the only event other than an asteroid strike that could end civilization.
- So one very well known example would be mining asteroids.
- One, we have an iron asteroid strikes the earth.
- So let's start by placing as the little asteroid over here.
Examples
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An asteroid 12 miles in diameter struck the Earth.
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Deflecting an asteroid: chances are high that an asteroid is hurtling toward Earth even now.
Academic text (2008) -
This is the next reason this asteroid was chosen.
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Let's go get an asteroid and pull back the platinum.
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So these are the expected number of asteroids that we have for each size.
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Last but not least, asteroids are becoming commercially interesting.
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And those blue dots in the middle are the asteroids that we know in the asteroid belt.
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NASA's mission to the asteroid Psyche is back on track.
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Our government thinks asteroids are Earth's biggest threat.
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And there are hundreds of thousands of asteroids that cross the Earth's orbit.
Synonyms
A small rock in space that orbits the Sun like a tiny planet
A natural object in space like a star or planet that you can see in the sky
A small body that orbits the Sun, like an asteroid
An asteroid whose path crosses Earth's orbit
Compounds
How Big
Surface Forms
Etymology
The word asteroid comes from the Greek root aster meaning 'star' and the ending -oid meaning 'like'. So an asteroid is a 'star-like' object in space, a small, rocky body that often orbits between Mars and Jupiter.