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

Astronomy Vocab 13

Astronomy vocab

TermDefinition
Terrestrial Planet One of the higher dense planets nearest to the sun; Mercury, Venus, Earth, or Mars
Gas Giants A planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune
Astronomical Unit The average distance between Earth and the Sun; approximately 150 million km. symbol, A.U.
Revolution The motion of a body that travels around another body in space; one complete trip around an orbit
Rotation The spin of a body on its axis
Dwarf Planet A celestial body that orbits the sun, is round because of its own gravity, but has not cleared its orbital path
Oort Coud A spherical region that surrounds the solar system, that extends from the Kuiper Belt to almost halfway to the nearest star, and that contains billions of comets
Kuiper Belt A region of the solar system that is just beyond the orbit of Neptune and that contains small bodies made mostly of ice
Comet A small body that gives off gas and dust as it passes close to the sun; a typical comet moves in an elliptical orbit around the sun and is made of dust and frozen gasses
Asteroid A small, rocky object that orbits the sun; most asteroids are located in a band between the orbits of Mars and Jupiter
Meteoroid A relatively small, rocky object that travels through space
Meteor A bright streak of light that results when a meteoroid burns up in earth's atmosphere
Meteorite A meteoroid that reaches Earth's surface without burning up completely
Prograde rotation When the planet is spinning forward instead of backwards
Retrograde Rotation When the planet is rotating backward instead of forwards
Solar System The sun and all the planets and other bodies that orbit around it
Created by: rachel160
Popular 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