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Match it! Select the correct answer from the pull down...Good luck!
a group of stars that form a pattern in the sky
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
Earth is the ___ planet from the sun.
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
There may be as many as ___ galaxies in the universe.
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
a group of stars, gas, and dust held together by gravity
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
When the moon is waning, it appears to be ___.
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
the motion of Earth that produces day and night
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
The tilt of Earth's ___ causes seasons.
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
An astronomical unit is the distance from ___.
galaxy
axis
third
growing smaller
Earth to the sun
100 billion
constellation
rotation
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