This is a galaxy.
What is a group of dust gas and stars held together by gravity.
The name of our galaxy
What is the Milky Way
Where stars are born.
What is a stellar nebula
This is the true brightness of a star
What is absolute brightness.
When moon is growing
What is waxing
The most common type of galaxy.
What is spiral.
A galaxy with bulging disk and spiral arms.
Spiral galaxy
Provides energy for a star
What is nuclear fusion
This is the color of the hottest stars
What is blue
When moon is getting smaller.
What is waning
These are the largest galaxies.
What are spiral galaxies.
Older galaxies with little dust and interstellar matter.
What are elliptical galaxies.
What is the composition of a star
Helium, Hydrogen, Sodium and Nitrogen
This is when dying massive stars explode
What is a super nova
Phase of moon when it is not visible.
What is new moon.
These galaxies are great nurseries for stars.
What is irregular galaxies.
Misshapen galaxies full of gas and dust
What are irregular galaxies
What happens to a low mass star when it starts to die
white dwarf or a black dwarf
A contracting mass of gas which is an early stage of star formation.
What is a protostar.
When only a sliver of the moon is seen.
A crescent moon.
The name of the black hole in the center of our galaxy.
What is Sagittarius A.
Galaxies with central bulge but no spiral arms
What are lenticular galaxies.
Massive stars die and become these types of stars.
What are neutron stars
What is main sequence stars.
When moon is almost full.
What is waxing gibbous