The Earth And Beyond Flashcards
1
Q
Gravity
A
A force that attracts all masses
2
Q
Mass
A
Amount of stuff in an object
3
Q
Weight
A
A force measured in newtons
4
Q
Earth
A
10N/kg
5
Q
Galaxy
A
A large collection of stars
6
Q
Light year
A
How far light travels in one year
7
Q
Planet
A
Something which orbits around a star
8
Q
Northern hemisphere
A
everything above the equator
9
Q
Southern hemisphere
A
Everything below the equator
10
Q
Equation for weight
A
Weight = mass * gravitational field strength
11
Q
Exoplanet
A
A planet that orbits a star outside our solar system
12
Q
Stars
A
Bodies which give out light and may have a solar system of planets
13
Q
Orbit
A
The path taken by a satellite planet or star moving around a larger body . Earth completes one orbit of the sun every year
