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First black holes may have incubated in giant, starlike cocoons, says CU-Boulder study

First black holes may have incubated in giant, starlike cocoons

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.2 / 5 (13) | comments 17

(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 ...


Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss

Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss (w/ Video)

Biology / Plants & Animals

created Nov 22, 2009 | popularity 4.9 / 5 (15) | comments 0

Census of Marine Life scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight - creatures that somehow manage a living in a frigid ...


Mysterious X-rays from a Nearby Galaxy

Mysterious X-rays from a Nearby Galaxy

Space & Earth / Astronomy

created Nov 13, 2009 | popularity 4.3 / 5 (15) | comments 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 ...


NASA's Great Observatories Celebrate International Year of Astronomy

NASA's Great Observatories Celebrate International Year of Astronomy

Space & Earth / Astronomy

created Nov 10, 2009 | popularity 4.3 / 5 (6) | comments 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 ...


Swift, XMM-Newton satellites tune into a middleweight black hole

Swift, XMM-Newton satellites tune into a middleweight black hole

Space & Earth / Astronomy

created Nov 10, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- While astronomers have studied lightweight and heavyweight black holes for decades, the evidence for black holes with intermediate masses has been much harder to come by. Now, astronomers ...


Astronomers explore 'last blank space' on map of the Universe

Astronomers explore 'last blank space' on map of the Universe

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.7 / 5 (30) | comments 71

(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst ...


Blast from the Past Gives Clues About Early Universe

Blast from the Past Gives Clues About Early Universe

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.7 / 5 (9) | comments 5

(PhysOrg.com) -- Astronomers using the National Science Foundation's Very Large Array (VLA) radio telescope have gained tantalizing insights into the nature of the most distant object ever observed in the ...


X-Ray Jets from Galaxies

X-Ray Jets from Galaxies

Space & Earth / Astronomy

created Oct 19, 2009 | popularity 4.5 / 5 (4) | comments 1

(PhysOrg.com) -- Some dramatic galaxies eject gigantic, collimated jets of ionized gas millions of light-years long, powered by the massive black holes at their centers. The ionized jets are detected at radio ...


Chinese scientists create metamaterial black hole

Chinese scientists create metamaterial black hole

Physics / Optics & Photonics

created Oct 16, 2009 | popularity 4 / 5 (54) | comments 20

(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...


Sky merger yields sparkling dividends

Sky merger yields sparkling dividends

Space & Earth / Astronomy

created Oct 13, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- Not surprisingly, interacting galaxies have a dramatic effect on each other. Studies have revealed that as galaxies approach one another massive amounts of gas are pulled from each galaxy ...


Black Holes Go 'Mano a Mano'

Black Holes Go 'Mano a Mano'

Space & Earth / Astronomy

created Oct 06, 2009 | popularity 4.3 / 5 (15) | comments 11

(PhysOrg.com) -- Two black holes in galaxy NGC 6240 are only 3,000 light years apart -- and getting closer.


Cosmic entropy could be 100 times greater than previously thought

Physics / General Physics

created Oct 06, 2009 | popularity 4.3 / 5 (20) | comments 11

(PhysOrg.com) -- A new analysis of supermassive black holes has discovered the entropy of the universe is much greater than previously thought, which means it may also be very slightly closer to ultimate heat death.


New vista of Milky Way center unveiled

New Vista of Milky Way Center Unveiled

Space & Earth / Astronomy

created Sep 22, 2009 | popularity 4.8 / 5 (6) | comments 1

(PhysOrg.com) -- A dramatic new vista of the center of the Milky Way galaxy from NASA's Chandra X-ray Observatory exposes new levels of the complexity and intrigue in the Galactic center. The mosaic of ...


Zooming to the centre of the Milky Way -- GigaGalaxy Zoom phase 2

Zooming to the centre of the Milky Way -- GigaGalaxy Zoom phase 2

Space & Earth / Astronomy

created Sep 21, 2009 | popularity 4.6 / 5 (16) | comments 0

(PhysOrg.com) -- The second of three images of ESO's GigaGalaxy Zoom project has just been released online. It is a new and wonderful 340-million-pixel vista of the central parts of our home galaxy as seen ...


Invading black holes explain cosmic flashes

Invading black holes explain cosmic flashes

Space & Earth / Astronomy

created Sep 18, 2009 | popularity 4.2 / 5 (25) | comments 12

(PhysOrg.com) -- Black holes are invading stars, providing a radical explanation to bright flashes in the universe that are one of the biggest mysteries in astronomy today.