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20 Cards in this Set

  • Front
  • Back
atmosphere
a layer of gases surronding a planet
comet
a body of ice and rock that orbits the Sun
corona
outermost layer of gases surrounding the Sun
telescope
tool that gathers light to make faraway objects appear closer
solar system
the Sun and all the objects that orbit the Sun
planet
a satellite of the Sun
satellite
an object that orbits another, larger object in space
solar eclipse
when the Moon's shadow blocks the Sun
star
a hot sphere of gases that gives off energy
phase
apparent change in the Moon's shape
axis
a real or imaginary line through the center of a spinning object
asteroid
a small chunk of rock or metal that orbits the Sun
revolve
to move in a circle around an object
crater
a hollow area in the ground
sunspot
a dark area on the Sun's surface
lunar eclipse
when the Earth's shadow blocks the moon
eclipse
when one object passes into the shadow of another object
rotate
to turn around
fuel
something burned to provide heat or power
lens
a curved piece of glass