science - Earth and space Flashcards

1
Q

Space definition

A

Is the vast empty area outside of the earths atmosphere which holds celestial objects like the Sun

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2
Q

Meteor definition

A

piece of rock from space that enters earths atmosphere. As it falls in heat up creating a bright light or streak.

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3
Q

galaxy definition.

A

Huge group of stars, dust, and gas altogether by Grav

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4
Q

A star

A

: A fixed luminous point in the night sky which is a large, remote incandescent body like the sun.

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5
Q

a planet

A

: A celestial body moving in an elliptical orbit round a star.

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6
Q

a moon

A

: The natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.

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7
Q

asteroid

A

small rock body orbit sun, big numbers ranging size at the orbits of mars and jupiter

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8
Q

a comet

A

A celestial object consisting of a nucleus of ice and dust and, when near the sun, a ‘tail’ of gas and dust particles pointing away from the sun.

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9
Q

Universe

A

: All of the stars and galaxies that exist

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