Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

6th science ch4 sec2

6th science ch4 sec2 Characteristics of stars

Constellation Patterns of stars
spectrograph A device that breaks light into colors and produces an image of the resulting spectrum
Apparent Brightness Brightness that is seen from Earth
Absolute brightness The brightness the star would have if it were a standard distance from Earth
light-year The distanced that light travels in on year about 9.5 million Kilometers
Parallax the apparent change in position of an object when you look at it from different places
H-R diagram shows relationship between surface temp. and absolute brightness
Main sequence diagram from a diagonal area, more that 90% of the stars including the sun are main sequence stars
Created by: apetosa