Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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 email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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

Astronomy Vocab

Science vocabulary

astronomy the study of the moon, stars and other objects in space
axis an imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
equinox the two days of the year on which neither hemisphere is tilted toward or away from the sun
gravity a force that moves rocks and other materials downhill: the force that pulls objects toward each other
moon a natural satellite that revolves around a planet
orbit the path of an object as it revolves around another object in space
phase one of the different apparent shapes of the moon as seen from Earth
revolution the movement of an object around another object
rotation the spinning motion of a planet on its axis
solstice the two days of the year on which the sun reaches its greatest distance north or south of the equator
Created by: wolfmaster0417