Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

E.S. Astronomy

Stars and the Universe

QuestionAnswer
Which theory is the most widely accepted theory on how the solar system and the stars are formed? The Solar Nebular Theory.
What is a solar nebula? It is huge, vast clouds of ice, gas and dust.
What are the basic types of Galaxies? They are spiral, elliptical(football shaped), and irregular.
What are black holes? They are the end of the life cycle of some super giant stars.
What is the distance light travels in one year? It is the Light Year
What is singularity? It is when a star eventually collapses to the point of zero volume and infinite density.
What is the less massive stars order? Nebula, Protostar, Main sequence star(birth), white dwarf, black dwarf(death)
What does the Hertzsprung diagram show? It shows the relationship between absolute magnitude(brightness) in relation to their surface temperatures.
What type of star puts out about 10,000 times as much energy as the sun? Blue Giant stars
What is the more massive stars order? Nebula, protostar, main sequence(birth) supernova, neutron star(death)
Created by: lashayparker
Popular Earth Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards