A:)
B;)
C :P
D :|
E :O
100
All stars form in giant clouds of cool hydrogen gas.
What is nebula
100
When a star dies, either gradually or in a big explosion, much of its material returns to ______
What is space
100
Astronomers use numbers to describe a stars brightness. The larger the number _______ the star
What is dimmer
100
Most galaxies are classified by their ____
What is shape
100
Found in an interstellar space
What is nebula
200
Stars produce energy at their core through the process of
What is nuclear fusion
200
Star's second and longest stage of its life cycle
What is main sequence
200
Small hot star at the final stage of its life cycle
What is white dwarf
200
On what part of the HR Diagram would you find the majority of main sequence stars
What is middle
200
Scientist consider red stars to be ...
What is cool stars
300
How bright a star appears as seen from earth is called
What is apparent magnitude.
300
The hottest stars are...
What is blue
300
A group of stars that are close together than the surrounding stars is called a ...
What is open cluster
300
Usually found on the galaxy spiral disk
What is open cluster
300
Core of the sun will be manly composed of what element.
What is carbon
400
Where are newly formed stars found in a spiral galaxy
What is spiral arms
400
The Milky way is probably what type of galaxy?
What is spiral galaxy
400
An object so massive light can not escape it.
What is black hole
400
A stars apparent shift in motion
What is parallax
400
What unit of measurement do astronomers use to determine distances from earth to stars
What is light year
500
What 3 objects can a star turn into after it explodes
What is neutron star, black hole, and pulsar
500
High temperature stars that quickly use up hydrogen
What is massive blue stars
500
Explosions in which a missive star collapsed
What is supernova
500
When only the core of a sun like star remains is the fusion process still taking place?
What is no
500
Many of these galaxies may have their shape distorted by neighboring galaxies
What is irregular galaxies
M
e
n
u