MS-ESS1-2
Develop and use a model to describe the role of gravity in the motions within galaxies and the solar system.
- Space
Clash of the galaxies
An X-ray image unveils an immense collision between two huge clusters of galaxies.
- Space
Burst busters
A powerful type of explosion in outer space is much more common, but not always as powerful, as astronomers had thought.
- Planets
Catching a Comet’s Tail
A closeup visit by a NASA spacecraft helps show how a comet gets its shape.
- Space
Big galaxy swallows little galaxy
Astronomers find a convincing case of a large galaxy caught in the act of eating a smaller one.
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- Space
Black holes that burp
Some black holes in outer space may actually spit out as much material as they suck in.
