HS-ESS1-4
Use mathematical or computational representations to predict the motion of orbiting objects in the solar system.
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SpaceGalaxy drags trail of newborn stars
Distant galaxy plows through cluster of others, with baby stars in tow
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SpaceStar cluster rockets through space
It’s the first time astronomers have ever detected a cluster of stars moving collectively at such speed.
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PlanetsDouble sunsets on a distant world
Astronomers discover for the first time a planet circling two stars.
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PlanetsThe growing planetary family
At least 1,200 added to list of possible planets beyond the solar system.
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SpaceA dusty birthplace
Evidence of separate bands of dust suggests the presence of a planet orbiting a young star.
By Emily Sohn -
SpaceBurst busters
A powerful type of explosion in outer space is much more common, but not always as powerful, as astronomers had thought.
By Emily Sohn -
PlanetsCatching a Comet’s Tail
A closeup visit by a NASA spacecraft helps show how a comet gets its shape.
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SpaceBig galaxy swallows little galaxy
Astronomers find a convincing case of a large galaxy caught in the act of eating a smaller one.
By Emily Sohn -
PlanetsA planet’s slim-fast plan
A planet orbiting very close to its sun can quickly lose weight.
By Emily Sohn -
SpaceBlack holes that burp
Some black holes in outer space may actually spit out as much material as they suck in.
By Emily Sohn