News tagged with galactic center

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Search results for galactic center

Maps Unveil the Source of Starburst Galaxy's Winds

Space & Earth / Astronomy

Nov 18, 2009 | 5 / 5 (8) | 0

(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...

Spitzer Unveils Biggest Milky Way View at Adler Planetarium

Space & Earth / Space Exploration

Dec 04, 2009 | 5 / 5 (2) | 3

(PhysOrg.com) -- The world's largest image of our Milky Way galaxy, taken by NASA's Spitzer Space Telescope, went on display this week at the Adler Planetarium in Chicago.

Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks

Space & Earth / Astronomy

Nov 25, 2009 | 4.7 / 5 (21) | 1

(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...

The Energy Sources of Ultraluminous Galaxies

Space & Earth / Astronomy

Nov 27, 2009 | 4.7 / 5 (20) | 3

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...

NASA's Great Observatories Celebrate International Year of Astronomy

Space & Earth / Astronomy

Nov 10, 2009 | 4.3 / 5 (6) | 3

(PhysOrg.com) -- A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA on Nov. 10. This event will commemorate the 400 years since Galileo first turned his telescope ...

Mysterious X-rays from a Nearby Galaxy

Space & Earth / Astronomy

Nov 13, 2009 | 4.3 / 5 (15) | 8

(PhysOrg.com) -- The nucleus of an active galaxy, an AGN, contains a massive black hole that is vigorously accreting material. In the process it typically ejects jets of particles and radiates brightly at ...

Suzaku spies treasure trove of intergalactic metal

Space & Earth / Astronomy

Dec 02, 2009 | 4.7 / 5 (6) | 1

Every cook knows the ingredients for making bread: flour, water, yeast, and time. But what chemical elements are in the recipe of our universe?

First black holes may have incubated in giant, starlike cocoons

Space & Earth / Astronomy

Nov 24, 2009 | 4.2 / 5 (20) | 22

(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...

Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays

Space & Earth / Astronomy

Dec 07, 2009 | 4.4 / 5 (11) | 3

(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...