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

ES ASTRO 2

Space and our Solar System

TermDefinition
Law of Orbits Kepler's First Law The orbital shape for any satellite is an ellipse
Law of Equal Areas Kepler's Second Law Satellites sweep through equal area in equal time. Practically speaking, this means they move fastest when nearest the orbited body
Law of Periods Kepler's Third Law Satellites further from the orbited body travel slower than those that are closer to the orbited body
Rotation The movement of a body about its axis. The earth, the moon, and the sun each exhibit rotation
Revolution The movement of a body in an orbital path around another body
Tilt The angle of a planetary axis measured against its orbital plane
Solstice When the sun's direct rays fall at either 23.5 degrees North or South latitude; the tropics of Cancer and Capricorn, respectively
Equinox Literally translated equal night. Direct rays of the sun shine directly at earth's equator. Every location on earth receives equal minutes of night and equal minutes of day
Waning Getting smaller
Waxing Geting Larger
Crescent The apparent shape of the moon when it is less than half illuminated
Gibbous The apparent shape of the moon when it is more than half illuminated
Lunar eclipse When the earth's shadow falls on the moon; or better, when the moon travels within the earth's umbra/penumbra. A lunar eclipse can only happen during a full moon.
Solar eclipse When the moon's shadow falls on the earth; or better, when the earth travels across the moon's umbra/penumbra. A solar eclipse can only happen during a new moon.
Maria Regions on the moon that appear darker in color. These are ancient lava beds, yest comprise the youngest rocks on the moon
Highlands Regions on the moon that appear lighter in color. These are the oldest rocks of the moon
Created by: MrGross
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