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Stars, galaxies and black holes
New Activity - Spitzer Concentration Spitzer Concentration Spitzer Concentration
Now where did you last see that galaxy?
Solve a Weather Slyder! Solve a Weather Slyder!
These weather pictures are a mess! Can you fix them?
Sign Here! Sign Here!
How fast can you make signs for the space image display?
A Real Shooting Star! A Real Shooting Star!
Is Mira the zippiest star in the galaxy?
Lucy's Planet Hunt Lucy's Planet Hunt
A girl finds a way to search for other Earths.
Solve an Infrared Slyder! Solve an Infrared Slyder!
"Slyde" the tiles to their rightful places to see a hidden Universe.
How old do I look? How old do I look?
Can you tell how old something is just by looking at it?
Black Hole Rescue! Black Hole Rescue!
Save the words from the monstrous gravitational forces.
Cool Sun Makes Cool Music? Cool Sun Makes Cool Music?
How events on the Sun have surprising results on Earth
Make a GALEX Galaxy Montage Make a GALEX Galaxy Montage
Make a colorful work of galactic art!
Star Finder Star Finder
Make one for this month and find your favorite constellation.
Galactic Mobile Galactic Mobile
Let the beauty of the galaxies shine in your room.
Cookies the Color of Stars Cookies the Color of Stars
Why aren't stars all the same color?
Cosmic Colors Cosmic Colors
See the Universe in Cosmic Colors!
Fall into a Black Hole Fall into a Black Hole
But make sure you have enough anti-gravity tokens to get out!
Solve a Telescope Crossword Solve a Telescope Crossword
Learn about the largest light telescopes in the world.
How hot can a star be? How hot can a star be?
How does the Sun make enough energy and light for all the stars we see? How does the Sun make enough energy and light for all the stars we see?
How many solar systems are in our galaxy? How many solar systems are in our galaxy?
How are supernovas formed and are there any getting ready to form now? How are supernovas formed and are there any getting ready to form now?
What is the brightest star? What is the brightest star?
If the Sun became a black hole, would Earth get pulled inside? If the Sun became a black hole, would Earth get pulled inside?
How can the Hubble Space Telescope look back in time? How can the Hubble Space Telescope look back in time?
Do constellations ever break apart or change? Do constellations ever break apart or change?

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Webmaster: Diane Fisher
Last Updated: August 05, 2009
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