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8 Cards in this Set

  • Front
  • Back
star
a massive ball of hot gases that produces its own light
axis
an imaginary line around which Earth spins
rotation
one complete spin on its axis
revolution
one complete trip around the sun
phase
each different way the Moon looks
lunar eclipse
Earth's shadow moving across the Moon.
telescope
a tool that gathers lots of light and makes objects that are far away look bigger and makes faint stars easier to see
constellation
a group of stars that make a pattern or shape