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

Astronomy

Things and People to Know

TermDefinition
Rotation the spinning of Earth on its axis
Galaxy a huge cluster of stars, dust and gas held together by gravity
Venus this terrestrial planet has a thick, poisonous atmosphere and is often referred to as Earth's twin.
Copernicus this astronomer was the first to develop the heliocentric model of our solar system
Ring the gas giants all have at least one of these, which is a disk of small particles of ice and rock
Sun the star at the center of our solar system; also the ONLY star in our solar system
Revolution the movement of one planet around another; also known as a planet's orbit
Saturn the gas giant with the most complex ring system
Uranus this gas giant's axis is tilted, causing it to spin on its side
Terrestrial Mercury, Venus, Earth and Mars are described this way because they are made of rock
Mars this terrestrial planet is also known as the "Red Planet" and is believed to have once had water
Kepler this astronomer was Brahe's assistant and used information they gathered to study the the planets' orbits; he was the first to propose that they were shaped like a flattened circle, or ellipse
Tycho Brahe this astronomer first described the the positions of our planets in the solar system
Moon a natural satellite that revolves around a planet
Galileo astronomer who used the telescope to make discoveries that supported the heliocentric model of the solar system
Ptolemy the Greek astronomer who first explained the Geocentric Model of the universe
Pluto is now known as a "Dwarf Planet"
Neptune a cold, blue planet in our solar system
Elliptical the shape of the planets' orbits: oval shaped
Geocentric Model this model states that the Earth is at the center of the solar system and that everything else revolves around it
Eight the number of planets in our solar system
Heliocentric Model the current theory of the organization of our universe; states that the Earth is part of a solar system that revolves around the sun
Gas Giants Jupiter, Saturn, Uranus and Neptune are said to __ ___ because of their size and composition
Jupiter the largest planet in our solar system; has a giant hurricane system the size of Earth
Mercury this small terrestrial planet has almost no atmosphere & was first explored by the Mariner 10
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