Web Results

Asteroid

en.wikipedia.org/wiki/Asteroid

Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids. These terms have historically been  ...

What is an asteroid, a planetoid, a meteoroid?

www.qrg.northwestern.edu/projects/vss/docs/space-environment/1-asteroid-planetiod-meteoroid.html

Every once in a while, a meteor will be big enough to weather its fiery descent and land on Earth, where it earns the title "meteorite." Asteroids are also known as ...

Asteroids – Facts and Information about Asteroids - Space.com

www.space.com/51-asteroids-formation-discovery-and-exploration.html

Nov 21, 2014 ... Asteroids are small, airless rocky worlds that revolve around the sun and are too small to be called planets. They are also called space rocks, ...

www.ask.com/youtube?q=What Is a Asteroid?&v=emFJDUKmXH4
May 12, 2014 ... Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids. These terms have ...

What are asteroids? | Cool Cosmos

coolcosmos.ipac.caltech.edu/ask/184-What-are-asteroids-

Asteroids are rocky-metallic objects which range in size from about the size of pebbles to around 600 miles (~1,000 km) across. Although they orbit the Sun, they ...

Asteroid Fast Facts | NASA

www.nasa.gov/mission_pages/asteroids/overview/fastfacts.html

This image, taken by NASA's Near Earth Asteroid Rendezvous mission in 2000, shows a close-up view of Eros, an asteroid with an orbit that takes it somewhat ...

Asteroids - Astronomy For Kids - KidsAstronomy.com

www.kidsastronomy.com/asteroid.htm

An asteroid is a large rock in outer space. Some, like Ceres, can be very large, while others are as small as a grain of sand. Due to their smaller size, asteroids ...

What's the Difference between a Comet, Asteroid, Meteoroid, Meteor ...

www.sciencekids.co.nz/sciencefacts/space/cometasteroidmeteoroiddifferences.html

Asteroids are small solar system bodies that orbit the Sun. Made of rock and metal, they can also contain organic compounds. Asteroids are similar to comets but ...

What are Asteroids? - Universe Today

www.universetoday.com/32459/asteroids/

Sep 12, 2015 ... These rocky remnants are now the asteroids that travel about our Solar System. Since these “leftovers” contain clues about the early days of our ...

What Are an Asteroid, a Meteor and a Meteorite? - Live Science

www.livescience.com/27183-asteroid-meteorite-meteor-meteoroid.html

Feb 15, 2013 ... What is the difference between an asteroid, a meteoroid, a meteor and a ... An asteroid is a rocky object in space that's smaller than a planet ...

Answers
as·ter·oid
[as-tuh-roid]
NOUN
1.
Astronomy. any of the thousands of small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in diameter that revolve about the sun in orbits lying mostly between those of Mars and Jupiter.
2.
Zoology. an asteroidean; a starfish.
ADJECTIVE
3.
Source: Dictionary.com
asteroid | Define asteroid at Dictionary.com
dictionary.reference.com/browse/asteroid
The world's most popular free online dictionary with definitions, spell check, word origins, example sentences, audio pronunciations, Word of the Day and more!