Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.
Don't know
remaining cards
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

U11-Astronomy 30-4

(30-4)The Big Bang Theory

the percentage of the universe that is composed of atoms (matter) 4%
the percentage of the universe made of "dark energy" 73%
the percentage of the universe made of dark matter 23%
a type of matter that does not give off light but does have gravity dark matter
a theoretical, undetectable energy that opposes gravity dark energy
the approximate age of the universe (per the big bang theory) 14 billion years
the astronomer who developed the law that states: the farther away a galaxy is from Earth, the faster it is moving away Edwin Hubble
elements formed immediately following the big bang hydrogen, helium, & lithium
the elements that are sythesized within stars (atomic number range) 4 through 26
the elments formed through supernova explosions (atomic number range) 27 & larger
the study of the origin, properties, processes, and evolution of the universe cosmology
approximate percentage of stars that exist in multiple-star systems 50%
the recycling-center for stars nebulae
astronomers around the world have agreed that there are this many official, standard constellations 88
the theory that all matter and energy in the universe was compressed into a small volume, then exploded The Big Bang Theory
radiation uniformely detected from every direction in space Cosmic Background Radiation
the small volume of matter and energy that exploded at the time of the "Big Bang" the primordial atom
the lengthening of a wave due to movement away from another object red-shift
the astronomer who first theorized that all of the universe was once contained in one spot in the universe George Gamow
the scientist who accidently gave the "Big Bang Theory" its name -- althought he did not believe in it Fred Hoyle