Meteoroid

Meteoroid

A 10 µm to 1-meter-size natural solid object moving in interplanetary space. Meteoroids may be primary objects or derived by the fragmentation of larger celestial bodies, not limited to asteroids. Meteoroids between 10 µm (microns) and 2 mm in size are called "micrometeoroids. "

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Part of Speech: noun
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Industry/Domain: Astronomy
Category: Planetary science
Company: PSRD
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meteoroid

Astronomy; General astronomy

A small object that is made up of rock or metal and travels in outer space. Most meteoroids are no bigger than a pebble.

meteoroid

Astronomy; Moon

A small body drifting through space. If a meteoroid is pulled into a planet's or moons gravitational field, it is called a meteor. if the meteor survives a trip through the ...

meteoroid

Astronomy; Planetary science

A 10 µm to 1-meter-size natural solid object moving in interplanetary space. Meteoroids may be primary objects or derived by the fragmentation of larger celestial bodies, not ...

meteoroid

Aerospace; Space flight

Small bodies in orbit about the sun which are candidates for falling to Earth or to another planet.

meteoroid

Earth science; Geology

Any relatively small fragment of solid material associated with a meteor and made luminous as a result of friction during its passage through the Earth’s atmosphere.

meteoroid

Medical; Health care; Medicine

Any solid objects moving in interplanetary space that are smaller than a planet or asteroid but larger than a molecule. Meteorites are any meteoroid that has fallen to a planetary ...

evening star

Astronomy; Planetary science

A planet, not a star, that can be seen in the west just after sunset and it is usually Venus or Mercury.

simple sugar molecule

Astronomy; Planetary science

Also called glycolaldehyde, the simple sugar molecule is composed of carbon, hydrogen and oxygen and plays a key role in the chemical reaction that forms ribonucleic acid (RNA), a ...

Saturn

Astronomy; Planetary science

A planet that is sixth in distance from the Sun and is the second largest planet in the Solar System.

Goddard

Astronomy; Planetary science

American scientist who was one of the first people to proposed that rockets could be used to travel into space.

interplanetary

Astronomy; Planetary science

Existing or happening between planets. A satellite that is launched from the Earth to orbit Mercury travels through interplanetary space.

Jupiter

Astronomy; Planetary science

The planet that is fifth in distance from Sun. It is the largest planet in the Solar System.

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