science - Earth and space Flashcards
Space definition
Is the vast empty area outside of the earths atmosphere which holds celestial objects like the Sun
Meteor definition
piece of rock from space that enters earths atmosphere. As it falls in heat up creating a bright light or streak.
galaxy definition.
Huge group of stars, dust, and gas altogether by Grav
A star
: A fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
a planet
: A celestial body moving in an elliptical orbit round a star.
a moon
: The natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
asteroid
small rock body orbit sun, big numbers ranging size at the orbits of mars and jupiter
a comet
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.
Universe
: All of the stars and galaxies that exist