News tagged with black light

How do supermassive black holes get so big?

(PhysOrg.com) -- At the center of most galaxies lie supermassive black holes that can grow to become more than a billion times larger than our Sun. However, astrophysicists don’t fully understand the formation ...

Space & Earth / Astronomy

created Apr 26, 2010 | popularity 4.2 / 5 (12) | comments 1 | with audio podcast weblog

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

Seeing is believing

(PhysOrg.com) -- Whenever you look up at the stars you are looking back in time, as light from even our closest neighbour, Alpha Centauri, started its journey to Earth more than four years ago. It is a phenomenon ...

Space & Earth / Astronomy

created Mar 24, 2010 | popularity 4.9 / 5 (11) | comments 1

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

NASA NuSTAR Telescope Being Built at Nevis

(PhysOrg.com) -- It's an unlikely place to build a NASA telescope: a leafy estate in Irvington, N.Y., that once belonged to the son of Alexander Hamilton. Inside a hangar-like building on the site, which is ...

Space & Earth / Space Exploration

created Dec 17, 2009 | popularity 5 / 5 (4) | comments 0

Galaxy Collision Switches on Black Hole

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

Space & Earth / Astronomy

created Dec 10, 2009 | popularity 4.5 / 5 (4) | comments 1

Fermi Telescope Peers Deep into Microquasar (w/ Video)

(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 ...

Space & Earth / Astronomy

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

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

Cosmic archaeology: Astrophysicists use new spectrographs to look far back into the history of the universe

(PhysOrg.com) -- The distant past of the universe is moving closer. Astronomers are using special spectrographs to investigate galaxies in the depths of the universe as part of the Sloan Digital Sky Survey ...

Space & Earth / Astronomy

created Oct 13, 2009 | popularity 3.9 / 5 (11) | comments 2

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

Particle collider: Black hole or crucial machine?

(AP) -- When launched to great fanfare nearly a year ago, some feared the Large Hadron Collider would create a black hole that would suck in the world. It turns out the Hadron may be the black hole.

Physics / General Physics

created Aug 07, 2009 | popularity 4.6 / 5 (21) | comments 10

NASA's Spitzer Images Out-of-This-World Galaxy

(PhysOrg.com) -- NASA's Spitzer Space Telescope has imaged a wild creature of the dark -- a coiled galaxy with an eye-like object at its center.

Space & Earth / Astronomy

created Jul 23, 2009 | popularity 4.8 / 5 (19) | comments 9

Astronomer's new guide to the galaxy: Largest map of cold dust revealed

This new guide for astronomers, known as the APEX Telescope Large Area Survey of the Galaxy (ATLASGAL) shows the Milky Way in submillimetre-wavelength light (between infrared light and radio waves). Images ...

Space & Earth / Astronomy

created Jul 01, 2009 | popularity 4.8 / 5 (5) | comments 1

Ghost remains after black hole eruption

NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence ...

Space & Earth / Astronomy

created May 28, 2009 | popularity 4.8 / 5 (17) | comments 15

Mysterious space blob discovered at cosmic dawn (w/Video)

(PhysOrg.com) -- A team of astronomers, led by Carnegie's Masami Ouchi, have discovered a mysterious, giant object that existed when the universe was only 800 million years old. Dubbed an extended "Lyman-Alpha ...

Space & Earth / Astronomy

created Apr 22, 2009 | popularity 4.9 / 5 (25) | comments 7