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Suzaku catches retreat of a black hole's disk

Suzaku catches retreat of a black hole's disk

Space & Earth / Astronomy

created 20 hours ago | popularity 4.5 / 5 (13) | comments 1

(PhysOrg.com) -- Studies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets.


Scientists observe super-massive black holes using Keck Observatory in Hawaii

Scientists observe super-massive black holes using Keck Observatory in Hawaii

Space & Earth / Astronomy

created 12 hours ago | popularity 5 / 5 (6) | comments 1

An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...


Galaxy Collision Switches on Black Hole

Galaxy Collision Switches on Black Hole

Space & Earth / Astronomy

created 15 hours ago | popularity 4.5 / 5 (4) | comments 1

(PhysOrg.com) -- This composite image of data from three different telescopes shows an ongoing collision between two galaxies, NGC 6872 and IC 4970.


Scientists Generate Black Hole Radiation in the Lab

Scientists Generate Black Hole Radiation in the Lab

Physics / Plasma Physics

created Dec 07, 2009 | popularity 4.2 / 5 (25) | comments 6

(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...


Fermi sees brightest-ever blazar flare

Fermi sees brightest-ever blazar flare

Space & Earth / Astronomy

created Dec 09, 2009 | popularity 4.3 / 5 (9) | comments 3

(PhysOrg.com) -- A galaxy located billions of light-years away is commanding the attention of NASA's Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began ...


A Superbright Supernova That’s the First of Its Kind

A Superbright Supernova That’s the First of Its Kind

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (24) | comments 6

(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...


RIT astronomer mines Spitzer Space Telescope data for massive starbursts

Space & Earth / Astronomy

created Dec 08, 2009 | popularity 4.3 / 5 (3) | comments 0

Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...


Gift Guide: High-tech happiness for $100 or less (AP)

Gift Guide: High-tech happiness for $100 or less

Electronics / Consumer & Gadgets

created Dec 04, 2009 | popularity not rated yet | comments 0

(AP) -- No one's going to blame you for keeping holiday gifts minimal this year. But if you want to round out your handmade cards, scarves, pickles and jam with a gadget or gizmo, here are a handful of our ...


The Energy Sources of Ultraluminous Galaxies

The Energy Sources of Ultraluminous Galaxies

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.7 / 5 (20) | comments 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 ...


Fermi Telescope Peers Deep into Microquasar

Fermi Telescope Peers Deep into Microquasar (w/ Video)

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (17) | comments 0

(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...


Black hole caught zapping galaxy into existence?

Black hole caught zapping galaxy into existence?

Space & Earth / Astronomy

created Nov 30, 2009 | popularity 4.8 / 5 (27) | comments 9

(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...


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 (20) | comments 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 ...


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 ...


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 ...


Spinning Water Droplets Could Provide Insights into Black Holes, Atomic Nuclei

Spinning Water Droplets Could Provide Insights into Black Holes, Atomic Nuclei

Physics / General Physics

created Dec 15, 2008 | popularity 4.5 / 5 (40) | comments 12

By magnetically levitating water droplets, and using a “liquid electric motor” technique to spin them, researchers can investigate how the droplets change shape. Rather than being just a curious experiment, ...