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 #2

TermDefinition
geocentric the Earth-centered model of the solar system
heliocentric the sun-centered model of the solar system
ellipse the oval shape of the planets' orbits
nuclear fusion energy-creating process where hydrogen atoms join together in the Sun's core to form helium atoms
photosphere the surface layer of the Sun's atmosphere which gives off visible light
chromosphere the red glowing middle layer of the Sun's atmosphere
corona the white halo outer layer of the Sun's atmosphere
solar wind steam of electrically charged particles which flows out from the Sun's corona into space
sunspot dark area of gas on the Sun's surface that is cooler than surrounding gases
prominence huge, reddish loop of gas which links together sunspot regions
solar flare eruption of gas and energy from the Sun's surface when sunspots suddenly connect
terrestrial planets the four small, dense, rocky inner planets
gas giant the four large, massive , non-solid outer planets
comet loose collection of ice, dust, and small rocks with a long, narrow ellipse
Kuiper belt doughnut-shaped region of comets extending from Neptune's orbit out into space
Oort cloud spherical region of comets surrounding our solar system
asteroid small, rocky objects which revolve around the Sun between Mars and Jupiter
meteoroid a chunk of rock or dust in space broken off from a comet or asteriod
meteor streak of light produced by the burning of a meteoroid in Earth's atmosphere
meteorite a meteoroid that passes through Earth's atmosphere and hits Earth's surface
Created by: Rita.Rogers
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