
1) Estraterrestrial body 2) Extraterrestrial object 3) Meteor 4) Potential shooting star 5) Small space traveler 6) Small traveler in space 7) Space rock
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https://www.crosswordclues.com/clue/meteoroid

1) Meteorite 2) Meteoritic 3) Meteoritical
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https://www.crosswordclues.com/clue/meteoroid

is a small rock or boulder that has entered a planetary atmosphere. If it survives to reach the ground, it is then termed a meteorite.
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http://en.wikipedia.org/wiki/Glossary_of_astronomy

A meteoroid is a small rocky or metallic body travelling through space. Meteoroids are significantly smaller than asteroids, and range in size from small grains to 1 meter-wide objects. Smaller objects than this are classified as micrometeoroids or space dust. Most are fragments from comets or asteroids, while others are collision impact debris ej...
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http://en.wikipedia.org/wiki/Meteoroid

• (n.) A small body moving through space, or revolving about the sun, which on entering the earth`s atmosphere would be deflagrated and appear as a meteor.
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http://thinkexist.com/dictionary/meaning/meteoroid/

A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust. Nearly all meteoroids originate from asteroids or comets.
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http://www.braeunig.us/space/glossary.htm

(from the article `meteor and meteoroid`) respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) ... temporary rise in the rate of meteor sightings, caused by the entry into Earth`s atmosphere of a number of meteoroids ( meteor and meteoroid) ...
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http://www.britannica.com/eb/a-z/m/79

A small rocky or metallic object in orbit around the Sun (or another star). A meteoroid which strikes the Earth (or other large body) is called a meteorite. As a meteoroid encounters the Earth's atmosphere frictional heating begins at an altitude of 100 to 120 km. What happens next depends on the sp...
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http://www.daviddarling.info/encyclopedia/M/meteoroid.html

Meteoroids are tiny stones or pieces of metal that travel through space.
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Any small solid object in space. Most meteoroids are barely bigger than a grain of sand.
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http://www.encyclo.co.uk/local/20448

Solid mass suspended in outer space that revolves around the sun. Meteoroids are smaller than asteroids.
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http://www.encyclo.co.uk/local/22291

A particle of iron or rock found in inter-planetary space. Distinguished from planets or asteroids b
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http://www.encyclo.co.uk/local/22392

Small bodies in orbit about the sun which are candidates for falling to Earth or to another planet.
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http://www.encyclo.co.uk/visitor-contributions.php
Me'te·or·oid (mē'te*ẽr*oid)
noun [
Meteor +
-oid .]
(Astron.) A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor. « These bodies [ small, solid bodies] before they ...
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http://www.encyclo.co.uk/webster/M/58

A solid object moving in interplanetary space, of a size considerably smaller than a asteroid and considerably larger than an atom or molecule.
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http://www.imo.net/glossary

A meteoroid is any body drifting in space that has a large enough mass to be detected but which is significantly smaller than an asteroid. The exact limit at which a meteoroid is reclassified as an asteroid is up for debate, but generally, any object smaller than 50 meters in diameter is considered a meteoroid.
Found on
http://www.moonconnection.com/moon-glossary.phtml

A small, rocky object in orbit around the Sun, smaller than an asteroid.
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http://www.seasky.org/astronomy/astronomy-glossary.html

A floating piece of small rock in space.
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http://www.solarspace.co.uk/Glossary3.php

A small rock in space.
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http://www.solarviews.com/eng/terms.htm

meteoroid 1. A body moving through space, of the same nature as those which when passing through the atmosphere become visible as meteors. 2. One of the many small bodies in the solar system that become meteors on entering the earths atmosphere.
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http://www.wordinfo.info/words/index/info/view_unit/1455/13

a piece of stone or metal that travels in space around the sun
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https://sciencetrek.org/sciencetrek/topics/astronomy/glossary.cfm

a piece of stone or metal that travels in space around the sun
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https://sciencetrek.org/sciencetrek/topics/planets/glossary.cfm

An object in space similar to but smaller than an asteroid. See also: Meteor, Meteorite.
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https://www.encyclo.co.uk/local/20687
meteor noun (astronomy) any of the small solid extraterrestrial bodies that hits the earth`s atmosphere
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https://www.encyclo.co.uk/local/20974

a piece of stone or metal that travels in space around the sun
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https://www.encyclo.co.uk/local/22786
No exact match found.