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

Planets and Beyond

Solar System, Planets, Stars, Galaxies

Asteroid rocky objects that orbit the sun
Comet made of gas, dust, ice and moves around the sun in an oval-shaped orbit
The Sun is a star made of mainly hydrogen gas and it's diameter is ten times the diameter of Jupiter
Dwarf Planets spherical object that orbits the sun. Ceres, Pluto, Eris
Terrestrial Planets are the planets closest to the sun, made of rock and metal and have solid outer layers.
Gas Giants primarily made of hydrogen and helium. Jupiter, Saturn, Uranus, Neptune.
Neil deGrasse Tyson an astrophysicist who questioned Pluto's classification as a planet.
Meteoroid small, rocky particle that moves through Earth's atmosphere.
Meteor streak of light in Earth's atmosphere made by a glowing meteoroid.
Meteorite is a meteoroid that strikes a planet or a moon
Light Year is the distance light travels in 1year. 300,000km/s
Star large ball of gas held together by gravity with a hot core where nuclear fusion occurs.
Nebula a cloud of gas and dust
Supernova an enormous explosion that destroys a star.
Black Hole an object whose gravity is so great that no light can escape.
Galaxies are huge collection of stars. Spiral, Irregular, Elliptical
Big Bang Theory the universe began from one point billions of years ago and has been expanding ever since.
Created by: Mr.SwimTPA