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Mega Space Mission (Ages 10-18) : Solar System & ...

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  • True or False: Mercury can get up to 800 degrees Fahrenheit on the sunny side & below -290 degrees Fahrenheit at night (on the dark side).
    True
  • A moon is a natural ___ of a planet.
    Satellite
  • How many main planets are in our Solar System?
    8
  • Which planet is the closest planet to our Sun?
    Mercury
  • How many moons are in our Solar System?
    More than 200+
  • The ____ is all existing matter & space considered as a whole.
    Universe
  • True or False: One day-night cycle on Mercury takes 100 Earth days?
    False
  • How big, in light years, is our galaxy?
    100,000 light years
  • How many millions of years does it take for our Solar System to orbit around the galactic center?
    230
  • A ___ System has a Star, Planets & Moons, as well as other space debris which all orbit the Star.
    Planetary System
  • What is the name of our galaxy?
    The Milky Way
  • How long does it takes Mercury to orbit the Sun (make one revolution)?
    88 Earth days
  • True or False: Mercury is the hottest planet in our Solar system?
    False
  • The Universe is ___ billion light years in diameter.
    10
  • Mercury has lava flows, but no _____.
    Volcanoes
  • What galaxy is the closest to us?
    The Andromeda Galaxy
  • A ___ is a system of billions of stars, together with gas & dust, all held together by gravitational attraction.
    Galaxy
  • Mercury is the ____ planet in our Solar System (size).
    Smallest
  • True or False: Mercury is about 36 million miles away from the Sun.
    True