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Solar System formation

QuestionAnswer
1. What does everything in the universe begin as (a giant cloud of dust and gas) is called a nebula
2. 2. A nebula is kept in balance by the force that pushes it together called _________________ and pushes it apart called __________________ gravity, pressure
3. 3. For a nebula to become unbalanced and turn into something, which force needs to be greater? ________________________ gravity
4. What is a “squished” nebula called? ________________________ planetesimal
5. The label used to measure distances between planets is called ____________________________ AU or Astronomical Unit
6. 1 Astronomical Unit is the distance between the ________________ and the ________________. Earth, Sun (or Sun, Earth)
7. 7. What is the other name for the inner planets as a group? ______________ Terrestrial Planets
8. List 4 characteristics that the inner planets (and not the outer planets) share. inside asteroid belt, smaller, closer to the sun, closer to each other, warmer, rockier, denser, no rings, no or few moons
9. List the four terrestrial planets. Mercury Venus Earth Mars
10. What separates the inner planets from the outer planets? asteroid belt
11. List 4 characteristics that the outer planets (and not the inner planets) share outside asteroid belt, larger, farther from the sun, farther apart from each other, cooler, rings, many moons
12. List the four outer planets. Jupiter Saturn Uranus Neptune
13. Record an expression that can be used to remember all eight planets in order from the Sun and beyond. any expression similar to My Very Educated Ma Just Served Us Nachos
14. Name all 8 of our planets in order. Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
15. All planets revolve around the sun in which direction? counterclockwise
Created by: tloveland
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