Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
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

Chapter 19

Exploring Space

TermDefinition
Constellation a group of stars that form a pattern in the sky
Electromagnetic radiation energy that travels across distances as certain types of waves
Galaxy millions or billions of stars held together in a group by their own gravity
Impact crater a round pit left behind on the surface of a planet or other body in space after a smaller object strikes the surface
Lander a craft designed to land on a planet's surface
Light-year the distance light travels in one year, which is about 9.5 trillion kilometers (6 trillion miles)
Orbit the path of an object in space as it moves around another object due to gravity
Probe a spacecraft that is sent into a plane'ts atmosphere or onto a solid surface
Satellite an object that orbits a more massive object
Solar system the Sun and its family of orbiting planets, moons, and other objects
Space station a satellite in which people can live and work for long periods
Spectrum radiation from a source separated into a range of wavelengths
Telescope a device that gathers visible light or another form of electromagnetic radiation
Universe space and all the matter and energy in it
Wavelength the distance between one peak and the next peak on a wave
Created by: avaught