Earth And Space Flashcards
1
Q
Cosmology
A
The study of the formation of the universe
2
Q
Astronomy
A
The science that deals with the universe beyond earth’s atmosphere
3
Q
Celestial body
A
Any naturally made object outside the earth’s atmosphere
4
Q
Star
A
A celestial body that generates its own light and heat
5
Q
Planet
A
Celestial body that orbits a star. It has enough mass to form almost round shape due to its own gravity and has ‘cleared the region.’
6
Q
Moon
A
A natural satellite of a planet
7
Q
Asteroid
A
A small rocky body orbiting the sun
8
Q
Comet
A
A dusty snowball which orbits the sun
9
Q
Galaxy
A
A large system of stars held together by gravity and isolated from other similar systems by vast regions of space
