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Infrared Iris

Infrared Iris

This cloud of glowing gas is the Iris nebula, as seen in infrared light by NASA's Spitzer Space Telescope. The main cluster of stars within the nebula is called NGC 7023. It lies 1,300 light-years ...

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Galactic Wheels within Wheels

Galaxy Messier 94

How many rings do you see in this new image of the galaxy Messier 94, also known as NGC 4736? While at first glance one might see a number of them, astronomers believe there is just one. This image ...

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An Astronomer's Fantasy - Planets in the Lab

Artistic version of a hot Jupiter

If astronomers could somehow pull planets out of the sky and analyze them in the laboratory, it might look something like this artistically altered image illustrating new research from NASA's Spitzer ...

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NASA Podcasts

  • hot gas in a galaxy about a billion light-years away

    To Catch a Galactic Thief

    A big bully of a galaxy has been caught stealing gas -- fuel for stars -- from a nearby, smaller galaxy.

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