Flashcards
SOLAR SYSTEM
Cards in this deck (23)
- 1Galaxiesare the large groups of stars
- 2Starsare enormous balls of extremely hot gas
- 3UNIVERSE is formed ofGalaxies, Stars, Planets and Nebulae
- 4Planetsare spherical bodies which revolve around the sun.
- 5Nebulaeare composed of clouds of gas and dust and surrounds the stars.
- 6Nebulaeare composed of clouds of gas and dust and surrounds the stars
- 7Milky Way isthe galaxy we live in
- 8The Sun isa star which consists mainly of two gases: hydrogen and helium.
- 9Mercury- It’s the smallest and closest to the Sun.
- No satellites.
- No atmosphere - 10Venus- it spins "backwards" on its axis.
- It’s the planet with the longest day; takes 243 Earth days.
- No satellites.
- CO2 in the atmosphere. - 11Earth- It has a satellite, the Moon.
- Its atmosphere is composed by nitrogen and oxygen - 12Mars- Also called the red planet.
- It has two satellites.
- CO2 in the atmosph - 13The inner planets ...They are mostly made of rock and metal and have few or no moons.
- 14Jupiter- It’s the largest planet.
- It’s the planet with the shortest day; a day on Jupiter only takes 9.8 Earth hours! - 15Saturn- It has more than 50 satellites.
- It has a group of rings made of dust and rocks.
- It’s the lightest planet that we know - 16Uranus- It has more than 25 satellites.
- It has a group of rings.
- It’s an extremely cold planet. It’s called the”ice giant” - 17Neptune- It has more than 10 satellites.
- It’ a very windy place. - 18The outer planets- They are mostly huge, mostly gaseous, ringed, and have many moons .
- They also have much more mass than the terrestrial planets. - 19An asteroidIt is a large rock in outer space
- 20Where is the belt of asteriods?It's between Mars and Jupiter.
- 21A comet is ...It's a small celestial body. They are made up of dust, ice and rock,
which release gas clouds when they are near the Sun. - 22Kuiper BeltIt is a disc-shaped region of icy objects beyond the orbit of Neptune, billions of kilometers from our sun
- 23Comets come from two places...The Kuiper Belt and the Oort Cloud.