Classifying Stars
Can stars vary in size? Yes or No.
Yes
Does a small or large amount of energy reach Earth?
Small amount
The pressure of a newly formed star decreases. True or False?
False, it increases
What is the biggest form of a star?
A supergiant star
Besides disappearing inside of it, what else can stars and planets do when near a black hole?
Orbit it
How many ways can a star be classified?
Two ways
What three types of light does a star give off?
Infrared, Ultraviolet, and Visible
What does a does a large dust and gas cloud do in order to form a star?
It collapses
What happens to light if it enters a black hole?
It is trapped and cannot escape the hole
Supernovas are ____ to _____ times the size as our Sun may become a neutron star.
1.4 and 3
What are the ways a star can be classified?
Size and Temperature
What kind of fusion help make helium in order to generate energy?
Hydrogen fuses
Does temperature increase or decrease as particles in nebula gravitate towards each other?
Are stars only red or orange?
No, they can be blue and white as well
If anything crosses the ______ _______ of a _____ _____ , it disappears.
Event Horizon and Black Hole
What is a white dwarf?
It is a dim and small star that is very hot.
Where does the fusion of atoms occur?
In the Sun's core
What is a nebula?
A large dust and gas cloud that can collapse to form a star
Can stars vary in temperature? Yes or No.
Yes
How much does one teaspoon of a neutron star weigh on Earth?
About what percent of stars are main sequence stars?
90 percent
What does energy (E) equal in E=mc^2?
Mass times speed of light squared
This occurs once a star runs out of hydrogen and expands.
The formation of a giant
Do Black Holes exert energy and distant objects or consume them?
They consume energy and distant objects
Describe the life cycle of a low mass star.