Our Solar System Flashcards
How many planets in our solar system? List them
8 + an Astroid belt
MVEMJSUN
Mercury Venus Earth Mars AESTROID BELT Jupiter Saturn Uranus Neptune
Describe which planets are rocky and which are gas?
The 4 inners planets are rocky (MVEM)
The 4 outer planets are Gas Giants (JSUN)
Describe the Astroid Belt
Made up of large rocks
Has dwarf planet Ceres
- May be remnants of planets that couldn’t form due to Jupiter’s large gravity
Except a star and planets, what does our solar system include?
Thousands of huge rocks Dwarf planets Comets Astroids Moons
The time taken to orbit the sun increases with…
The distance from the sun
What is the central star in our solar system?
The sun
What keeps the planets and moons in orbit?
Gravity
What are moons?
Natural satellites
What is Pluto? What type of orbit?
A dwarf planet
Has a highly elliptical/ECCENTRIC orbit
Which planets have no moons?
Mercury and Venus
What is the closest star to the sun?
Proxima Centuari
What are the 3 largest galaxies in our local group?
Milky Way
Andromeda
Triangulum Galaxy
What is the name of the local group/concentration of galaxies we are in?
Virgo Supercluster
What are galaxy is our solar system in?
Milky Way
What is the diameter of our solar system?
4 light years
