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

MPMS Space

Eclipse The partial or total blocking of light of one celestial object by another.
Equator An imaginary line forming a great circle around the Earth’s surface that divides Earth into northern and southern hemispheres
Hemisphere Either the northern or southern half of the Earth as divided by the equator, or the eastern of western half as divided by a meridian, especially the prime meridian
Phases Any of the forms, recurring in cycles, in which the moon or a planet appears in the sky.
Revolution The motion of an object around a point, especially around another object or a center of mass.
Rotation The motion of an object around an internal axis
Seasons A period of an object around an internal axis
Solstice When one hemisphere gets its maximum area of sunlight, while the other hemisphere gets its minimum amount
Solstice the time of year when days are either longest or shortest, and the angle of sunlight reaches its maximum or minimum
Equinox When sunlight shines equally on the Northern Hemisphere and the Southern Hemisphere; a time of year when daylight and darkness are nearly equal for most of Earth
Tides The regular rising and falling of Earth’s surface waters twice a tidal day as a result of the Moon’s and Sun’s gravitational attraction.
Waxing Increasing
Waning Decreasing
Created by: lanktish