|
|
|
2
|
where little matter exists
|
|
8
|
the closest star to the sun
|
|
11
|
the layer of the sun we see from Earth
|
|
13
|
the measure of a star's brightness as seen from Earth
|
|
15
|
a star in the constellation Orion
|
|
16
|
ten or more clusters of galaxies
|
|
18
|
a relatively large spherical body that orbits a star
|
|
19
|
the measure of how bright a star would be if the star were located at a standard distance
|
|
20
|
the distance that light travels through space in 1 year
|
|
21
|
the sun and all of the other planets and bodies that orbit it
|
|
22
|
the actual brightness of a star
|
|
23
|
extremely large stars
|
|
24
|
rocky
|
|
27
|
our central star
|
|
|
