Study

Solar System

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  • What is space junk?
    any human-made object orbiting Earth that no longer serves a useful purpose
  • What force keeps us on the surface of the planet?
    gravity
  • What type of galaxy (shape) is the Milky Way?
    a spiral galaxy
  • What color is the sunset on Mars?
    blue
  • We live in a galaxy called ...
    the Milky Way
  • Does everything in the universe orbit directly around the Sun?
    no
  • What is a galaxy?
    a huge collection of gas, dust and stars and planets
  • How many Earths could fit inside the Sun?
    one million
  • What other planet has liquid water?
    Mars
  • How long would it take to fly a plane to Pluto?
    +800 years
  • What is the universe?
    space, matter, energy, time
  • Name a man-made satellite.
    the International Space Station
  • How do we study the universe?
    with telescopes
  • What is at the center of our galaxy?
    a black hole
  • How many planets orbit the Sun?
    8
  • Name a natural satellite.
    the Moon
  • An object in an orbit is called a ...
    satellite
  • Is our Sun unique in the universe?
    no
  • What are comets?
    leftovers from creation
  • There is only one type of galaxy. True or false?
    false
  • Where did the universe come from?
    The Big Bang
  • Name the two types of satellites.
    natural & man-made
  • A galaxy is held together by ...
    gravity
  • Name a telescope!
    The Hubble Space Telescope, James Webb Space Telescope