2.
the study of constalations
3.
someone who gos in to space
6.
also known as ursa major
7.
also known as ursa minor
8.
where the sun is right above the equator
9.
longest or shortest day of the year
10.
a rock is in earths atmosphere
11.
a rock that tuches the grownd
12.
the same size a a dust particle
13.
when a planet goes all arownd the sun
14.
a huge object that has a orbit
15.
a galaxy that we live in
16.
a huge withe stars and solar systums
18.
looks like a little bear
