News tagged with black light

A pinwheel in many colors

(Phys.org) -- This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes. This multi-spectral view shows ...

Space & Earth / Astronomy

created May 25, 2012 | popularity 5 / 5 (4) | comments 1

Astrophysicists discover new heating source in cosmological structure formation

(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies ...

Space & Earth / Astronomy

created May 15, 2012 | popularity 4.1 / 5 (11) | comments 8 | with audio podcast

Physicists find that an ultrahigh-energy proton looks like a black disk

(PhysOrg.com) -- What does a proton look like? The common answer to this question is that protons are much too small to scatter light, and since light is necessary for us to see things, protons do not “look” ...

Physics / General Physics

created Dec 08, 2011 | popularity 4.5 / 5 (24) | comments 43 | with audio podcast feature

Chandra finds fastest wind from stellar-mass black hole

Astronomers using NASA's Chandra X-ray Observatory have clocked the fastest wind yet discovered blowing off a disk around a stellar-mass black hole. This result has important implications for understanding ...

Space & Earth / Astronomy

created Feb 21, 2012 | popularity 4.1 / 5 (7) | comments 10 | with audio podcast

Discovery that quasars don't show time dilation mystifies astronomers

(PhysOrg.com) -- The phenomenon of time dilation is a strange yet experimentally confirmed effect of relativity theory. One of its implications is that events occurring in distant parts of the universe should ...

Space & Earth / Astronomy

created Apr 09, 2010 | popularity 4.7 / 5 (101) | comments 165 | with audio podcast report

Astronomers discover biggest black holes ever (Update)

University of California, Berkeley, astronomers have discovered the largest black holes to date two monsters with masses equivalent to 10 billion suns that are threatening to consume anything, even light, ...

Space & Earth / Astronomy

created Dec 05, 2011 | popularity 4.8 / 5 (24) | comments 22 | with audio podcast

Chandra finds nearest pair of supermassive black holes

(PhysOrg.com) -- Astronomers have used NASA's Chandra X-ray Observatory to discover the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. At a distance of 160 million light ...

Space & Earth / Astronomy

created Aug 31, 2011 | popularity 5 / 5 (7) | comments 4 | with audio podcast

Small distant galaxies host supermassive black holes

(PhysOrg.com) -- Using the Hubble Space Telescope to probe the distant universe, astronomers have found supermassive black holes growing in surprisingly small galaxies. The findings suggest that central black ...

Space & Earth / Astronomy

created Sep 15, 2011 | popularity 4.2 / 5 (10) | comments 28 | with audio podcast

Exotic galaxy reveals tantalizing tale

(PhysOrg.com) -- A galaxy with a combination of characteristics never seen before is giving astronomers a tantalizing peek at processes they believe played key roles in the growth of galaxies and clusters ...

Space & Earth / Astronomy

created Aug 25, 2011 | popularity 5 / 5 (7) | comments 4 | with audio podcast

Chinese scientists create metamaterial black hole

(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, ...

Physics / Optics & Photonics

created Oct 16, 2009 | popularity 4.1 / 5 (60) | comments 20 weblog

Astrophysicists use X-ray fingerprints to study eating habits of giant black holes

By studying the X-rays emitted when superheated gases plunge into distant and massive black holes, astrophysicists at the Georgia Institute of Technology have provided an important test of a long-standing ...

Space & Earth / Astronomy

created Jun 06, 2011 | popularity 4.9 / 5 (8) | comments 10 | with audio podcast

Black hole blows big bubble

Combining observations made with ESO's Very Large Telescope and NASA's Chandra X-ray telescope, astronomers have uncovered the most powerful pair of jets ever seen from a stellar black hole. This object, also ...

Space & Earth / Astronomy

created Jul 07, 2010 | popularity 4.8 / 5 (24) | comments 7 | with audio podcast

Astronomers observe fast growing primitive black holes

(PhysOrg.com) -- Astronomers have come across what appear to be two of the earliest and most primitive supermassive black holes known. The discovery, based largely on observations from NASA's Spitzer Space ...

Space & Earth / Astronomy

created Mar 17, 2010 | popularity 4.5 / 5 (15) | comments 4 | with audio podcast

Artificial black holes made with metamaterials

While our direct knowledge of black holes in the universe is limited to what we can observe from thousands or millions of light years away, a team of Chinese physicists has proposed a simple way to design an artificial electromagnetic ...

Physics / General Physics

created Nov 16, 2010 | popularity 4 / 5 (10) | comments 13 | with audio podcast

New Vista of Milky Way Center Unveiled

(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 ...

Space & Earth / Astronomy

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