1. Due to Earth's
stars appear to move during the night.
2. Constellations also move with seasons because the earth
around the sun.
3.
is also known as North star because it is the only star that seems
to have a fixed position and always points the north direction.
4. The
of the stars.
are used today by astronomers to determine the location and name
5. Stars plays an important role in the field of
basis for their positions in the sea,
during early, early sailors used as
constellation
rotation
navigation
revolution
Polaris
Rigel
hunting
speed​