Space Systems Flashcards
What causes the earth to orbit around the sun
The sun’s gravity
List the planets from closest to the sun to furthest away
Mercury, Venus, earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the difference between revolution and rotation
Revolution is the orbit of one object around another, rotation is when an object spins on its own axis
What causes day and night
The earth spins on its blown axis and completes one full spin every 24 hours the side of the earth facing the sun will experience daylight while the side of the earth facing away from the sun will experience night time
What is the hottest planet
Venus
Which 2 planets are known as the gas giants
Jupiter and Saturn
Which 2 planets are known as the ice giants
Uranus and Neptune
Define star
A massive self luminous celestial body of gas
Define planet
A celestial body moving in an elliptical orbit around a star
Define astroid
A small rocky body orbiting the sun
Define moon
A natural satellite that revolves around another planet
Define meteorite
A space rock that falls into earths surface
Define satellite
An object that revolves around another object in space
