Astronomy news

Planetary System Around Gliese 581

Astronomers find potentially habitable Earth-like planet

Space & Earth / Astronomy

created Apr 25, 2007 | popularity 4.5 / 5 (77) | comments 0

Astronomers have discovered the most Earth-like planet outside our Solar System to date, an exoplanet with a radius only 50% larger than the Earth and capable of having liquid water. Using the ESO 3.6-m telescope, ...


Scientists detect cosmic 'dark flow' across billions of light years

Scientists detect cosmic 'dark flow' across billions of light years

Space & Earth / Astronomy

created Sep 23, 2008 | popularity 4.8 / 5 (72) | comments 28

(PhysOrg.com) -- Using data from NASA's Wilkinson Microwave Anisotropy Probe (WMAP), scientists have identified an unexpected motion in distant galaxy clusters. The cause, they suggest, is the gravitational ...


Chandra sees brightest supernova ever

Chandra sees brightest supernova ever

Space & Earth / Astronomy

created May 07, 2007 | popularity 4.7 / 5 (72) | comments 0

The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA's Chandra X-ray Observatory and ground-based optical telescopes. This discovery indicates ...


Negative Vibes From Space

Negative Vibes From Space

Space & Earth / Astronomy

created Dec 01, 2006 | popularity 4.5 / 5 (75) | comments 0

Astronomers have discovered the first negatively charged molecule in space, identifying it from radio signals that were a mystery until now. While about 130 neutral and 14 positively charged molecules are known ...


Chandra sees remarkable eclipse of black hole

Chandra sees remarkable eclipse of black hole

Space & Earth / Astronomy

created Apr 12, 2007 | popularity 4.4 / 5 (75) | comments 0

A remarkable eclipse of a supermassive black hole and the hot gas disk around it has been observed with NASA's Chandra X-ray Observatory. This eclipse has allowed two key predictions about the effects of supermassive ...


Artist's impression of an exoplanet.

The Case for Habitable Exoplanet Moons

Space & Earth / Astronomy

created Apr 27, 2006 | popularity 4.5 / 5 (73) | comments 0

As scientists refine their methods, exoplanets are becoming easier and easier to detect. The current count is 163 planets orbiting 97 main-sequence stars, of which only one is even remotely Earth-like. All ...


Cosmic Web

XMM-Newton discovers part of missing matter in the universe

Space & Earth / Astronomy

created May 06, 2008 | popularity 4.6 / 5 (72) | comments 3

ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe.


Models show one nearby star system could host Earth-like planet

Space & Earth / Astronomy

created Jul 24, 2006 | popularity 4 / 5 (81) | comments 0

The steady discovery of giant planets orbiting stars other than our sun has heightened speculation that there could be Earth-type worlds in nearby planetary systems capable of sustaining life. Now researchers running computer ...


Spinning Black Hole Pushes the Limit

Spinning Black Hole Pushes the Limit

Space & Earth / Astronomy

created Nov 20, 2006 | popularity 4.7 / 5 (69) | comments 0

The existence of black holes is perhaps the most fascinating prediction of Einstein's General Theory of Relativity. When any mass, such as a star, becomes more compact than a certain limit, its own gravity ...


Future Space Telescopes Could Detect Earth Twin

Future Space Telescopes Could Detect Earth Twin

Space & Earth / Astronomy

created Apr 11, 2007 | popularity 4.9 / 5 (66) | comments 0

For the first time ever, NASA researchers have successfully demonstrated in the laboratory that a space telescope rigged with special masks and mirrors could snap a photo of an Earth-like planet orbiting a ...


Gamma-Ray Burst Challenges Theory

Gamma-Ray Burst Challenges Theory

Space & Earth / Astronomy

created Mar 08, 2007 | popularity 4.8 / 5 (66) | comments 0

In a series of landmark observations gathered over a period of four months, NASA's Swift satellite has challenged some of astronomers' fundamental ideas about gamma-ray bursts (GRBs), which are among the most ...


This artist's concept shows the "naked-eye" GRB close up

'Naked Eye' Gamma Ray Burst Was Aimed Squarely At Earth

Space & Earth / Astronomy

created Sep 10, 2008 | popularity 4.3 / 5 (70) | comments 10

(PhysOrg.com) -- The brightest explosion ever seen was observed in March this year. Now a team of astronomers from around the world, including the University of Leicester, the Mullard Space Science Laboratory ...


The Magellanic Clouds Are First-Time Visitors

Magellanic clouds: Single measurement throws out everything we thought we knew

Space & Earth / Astronomy

created Sep 17, 2007 | popularity 4.7 / 5 (64) | comments 0

The Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) are two of the Milky Way's closest neighboring galaxies. A stunning sight in the southern hemisphere, they were named after Ferdinand Magellan, ...


More Evidence Found for Water on Mars

More Evidence Found for Water on Mars

Space & Earth / Astronomy

created Feb 15, 2007 | popularity 4.3 / 5 (69) | comments 0

A spacecraft recently arrived at Mars has provided new evidence that fluids, likely including water, once flowed widely through underlying bedrock in a canyon that is part of the great Martian rift valley.


Astronomer detects atmosphere of extra-solar planet

Astronomer detects atmosphere of extra-solar planet

Space & Earth / Astronomy

created Dec 07, 2007 | popularity 4.8 / 5 (62) | comments 0

University of Texas at Austin astronomer and Hubble Fellow Seth Redfield has used the Hobby-Eberly Telescope (HET) at McDonald Observatory to make the first ground-based detection of the atmosphere of a planet ...