1.
the study of the universe
2.
the study of constellations and their beliefs about them
3.
train their whole lives to go into space
4.
a big rock made up of dust and particles
5.
a bunch of stars in space that make a certain pattern
6.
a famous constellation that resembles a big bear
7.
a smaller constellation of the big dipper
8.
happens when the sun crosses the equator
9.
happens when the longest/shortest day of the year comes around
10.
to discharge something
11.
when light bounces off another object
12.
a streak caused by a meteoroid going through earths atmosphere
13.
debris from an object in space
