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Latest Smithsonian Center for Astrophysics Stories

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2007-09-17 17:31:16

The Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) are two of the Milky Way's closest neighboring galaxies. A stunning sight in the southern hemisphere, they were named after Ferdinand Magellan, who explored those waters in the 16th century.

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2007-08-09 09:40:00

By combining the capabilities of several telescopes, astronomers have spotted extremely bright galaxies hiding in the distant, young universe.

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2007-08-08 10:16:38

A spectacular new image from NASA's Spitzer Space Telescope uncovers a small group of young stellar "siblings" in the southern portion of the Serpens cloud – located approximately 848 light-years away from Earth.

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2007-08-06 16:15:00

Four galaxies are slamming into each other and kicking up billions of stars in one of the largest cosmic smash-ups ever observed. The clashing galaxies will eventually merge into a single, behemoth galaxy up to 10 times as massive as our own Milky Way.

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2007-05-23 15:55:00

Astronomers are hunting an elusive target: rogue black holes that have been ejected from the centers of their home galaxies.

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2007-05-02 10:23:51

The gas giant planet, called HAT-P-2b, contains more than eight times the mass of Jupiter, the biggest planet in our solar system. Its powerful gravity squashes it into a ball only slightly larger than Jupiter.

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2007-05-02 00:00:00

Two rambunctious young stars are destroying their natal dust cloud with powerful jets of radiation, in an infrared image from NASA's Spitzer Space Telescope. The stars are located approximately 600 light-years away in a cosmic cloud called BHR 71.

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2007-04-17 10:45:00

Astronomers have found the lowest mass white dwarf known in our galaxy: a Saturn-sized ball of helium containing only about one-fifth the mass of the Sun.

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2007-03-21 12:15:00

Even though the sun is the closest star to Earth and has been studied for hundreds of years, it still holds surprises. The recently launched Hinode spacecraft is one of the latest observatories to probe the sun from afar.

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2007-01-09 15:35:00

The Large Magellanic Cloud and Small Magellanic Cloud are two of the Milky Way's closest neighboring galaxies. By studying their orbits, astronomers can learn about both the histories of the Clouds and the structure of the Milky Way.


Word of the Day
dipsas
  • A serpent whose bite was fabled to produce intense thirst.
The word 'dipsas' comes from a Greek word meaning 'thirst'.