Solar System Formation
3 years ago
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12 QuestionsShow answers
  • Question 1
    900 seconds
    Q. How old is our solar system?
    answer choices
    4.6 billion years
    13.8 billion years
    6,000 years
    15,000 years
  • Question 2
    900 seconds
    Q. A celestial cloud of dust and gas is called . . .
    answer choices
    nebula
    supernova
    accretion disc
    bombardment
  • Question 3
    900 seconds
    Q. A massive explosion of a star is called . . .
    answer choices
    supernova
    nebula
    pulsar
    black hole
  • Question 4
    900 seconds
    Q. What caused the solar nebula to contract and spin?
    answer choices
    a supernova
    an asteroid impact
    radiation
    random motion
  • Question 5
    900 seconds
    Q. What celestial body eventually evolved into our modern solar system?
    answer choices
    a nebula
    a supernova
    a quasar
    a galaxy
  • Question 6
    900 seconds
    Q. When the solar nebula spun out into a disc-shape, what direction did it start spinning?
    answer choices
    clockwise
    counter-clockwise
  • Question 7
    900 seconds
    Q. Smaller particles collecting together into larger and larger objects is called . . .
    answer choices
    accretion
    contraction
    explosion
    rotation
  • Question 8
    900 seconds
    Q. Does the gravity of planets cause them to migrate slowly over time?
    answer choices
    Yes, the planets have changed positions
    No, the planets stayed where they formed
    Yes, and they are STILL moving!
    No, planets are too big to move
  • Question 9
    900 seconds
    Q. When the inner planets (and moons) were bombarded by asteroids, what did the asteroids leave behind?
    answer choices
    craters
    calderas
    mountains
    valleys
  • Question 10
    900 seconds
    Q. Why is Mercury covered with craters, but Earth is not?
    answer choices
    Earth's atmosphere protects and weathers
    Earth's moon blocks asteroids
    asteroids just missed Earth
    most asteroids land in Earth's oceans
  • Question 11
    900 seconds
    Q. The period of heavy bombardment is over, but are asteroid impacts still a danger?
    answer choices
    Yes, and we don't have a solution to stop them!
    No, they all burn up in the atmosphere
    No, because we can blow them up with nukes
    only if Jupiter's orbit shifts again
  • Question 12
    900 seconds
    Q. When you spin any mass, what shape will it likely take?
    answer choices
    Sphere
    Disc
    Cylinder
    Cloud
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