Types of Galaxies
A cloud of gas and dust that is the making of new stars, a "star nursery"
What is a nebula (stellar nebula)
Luminosity refers to this
What is a star's brightness
Intense, bright explosion of a massive star
What is supernova
The name of our galaxy, and the type of galaxy
What is milky Way Galaxy, and Spiral Galaxy
The longest stage in the life cycle of stars, and the stage our Sun is in
What is main sequence star?
The ______ stars are towards the right.
What is coolest?
A region in space that has so much gravity, it sucks in light waves
What is black hole
This type of galaxy is in the shape of a circle or oval
What is an elliptical galaxy
A cool but bright star that our Sun will become next in its life cycle
What is Red Giant?
The location (quadrant) of cool, bright, red supergiants in an H-R Diagram
What is top right
Fate of low to medium (average) mass star such as the Sun
What is white or black dwarf
This determines which path a star takes in its life cycle
What is mass
What temperature does as we move from left to right on the x- axis of an H-R Diagram
What is decreases
Stage in a average mass star's life cycle between Red Giant and White Dwarf, a cloud of gas and dust formed near the end of a star's life
Planetary Nebula
Most galaxies are this type of galaxy
What is an elliptical galaxy
All stars are composed of these two elements.
What is Hydrogen and Helium
For this type of star, brightness increases as temperature increases
What is Main Sequence
The two possible endings of a massive star, forming after a supernova
What are neutron star and black hole