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
share
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

Stack #1910467

QuestionAnswer
electromagnetic spectrum all types of electromagnetic radiation arranged according to wavelength and frequency
interferometry process that links separate telescopes so they act as one telescope, producing more detailed images as the distance between them increases.
reflecting telescope telescope that uses mirrors to focus visible lights
albedo percentage of sunlight that is reflected by the surface of a planet or a satellite, such as the Moon.
ejecta material that falls back to the lunar surface after being blasted out by the impact of a space object.
highland light-colored, mountainous, heavily cratered area of the Moon, composed mostly of lunar breccias.
impact crater crater formed when space material impacted on Moon's surface.
mare
ray long trail of ejecta that radiates outward from a Moon crater
regolith layer of loose, ground-up rock on the lunar surface.
rille valley like structure that meanders across some regions of the Moon's maria.
apogee farthest point in the Moon's elliptical orbit to Earth
ecliptic plane plane of Earth's orbit around the Sun.
equinox time of year during which Earth's axis does not point directly toward the Sun; both hemispheres receive exactly 12 hours of sunlight and the Sun is directly overhead at the equator.
lunar eclipse when Earth passes between the Sun and the Moon, and Earth's shadow falls on the Moon; occurs only during a full moon
perigee closest point in the Moon's elliptical orbit to Earth
solar eclipse when the Moon passes between Earth and the Sun and the Moon casts a shadow on Earth, blocking Earth's view of the Sun; can be partial or total solstice the Sun is overhead at its farthest distance either north or south of the equator
synchronous rotation the state at which the Moon's orbital and rotational periods are equal
Created by: kgraves167
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