News tagged with distant stars

The Eerie Silence

Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.

Space & Earth / Space Exploration

created Apr 15, 2010 | popularity 4.8 / 5 (36) | comments 71 | with audio podcast

Light bending by a black hole may offer proof of extra dimensions

(PhysOrg.com) -- Researchers at the University of Pennsylvania report that a new test for measuring the ability of gravity to bend light seen from distant stars around large objects like black holes may offer proof of the ...

Physics / General Physics

created Nov 18, 2010 | popularity 4.2 / 5 (38) | comments 12 | with audio podcast

Scientists investigate the possibility of wormholes between stars

(PhysOrg.com) -- Wormholes are one of the stranger objects that arise in general relativity. Although no experimental evidence for wormholes exists, scientists predict that they would appear to serve as shortcuts ...

Space & Earth / Astronomy

created Feb 25, 2011 | popularity 3.8 / 5 (41) | comments 186 | with audio podcast report

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

(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 ...

Space & Earth / Astronomy

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

Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)

(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.9 / 5 (29) | comments 10

City lights could reveal E.T. civilization

In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 4.6 / 5 (29) | comments 54 | with audio podcast

A New Way to Find Earths

Astronomers have used a completely new technique to find an exotic extrasolar planet. The same approach might even be sensitive enough to find planets as small as the Earth in orbit around distant stars.

Space & Earth / Astronomy

created Jul 09, 2010 | popularity 4.9 / 5 (22) | comments 5 | with audio podcast

Possibly the most distant object known

The most distant objects in the universe are also the oldest -- or at least that is how they appear to us, because their light has had to travel for billions of years to get here. They are also extraordinarily ...

Space & Earth / Astronomy

created Jul 18, 2011 | popularity 4.7 / 5 (20) | comments 204 | with audio podcast

The Cosmic Distance Scale

(PhysOrg.com) -- In 1908, Harvard astronomer Henrietta Swan Leavitt discovered that a class of stars called Cepheids have brightnesses that vary regularly with periods that are directly related to their intrinsic ...

Space & Earth / Astronomy

created Jan 29, 2010 | popularity 4.6 / 5 (19) | comments 0 | with audio podcast

James Webb Telescope spinoff technologies already seen in some industries

A critical component of the James Webb Space Telescope is its new technology. Much of the technology for the Webb had to be conceived, designed and built specifically to enable it to see farther back in time. ...

Space & Earth / Space Exploration

created Apr 18, 2012 | popularity 4.8 / 5 (17) | comments 5

Eye of Gaia: Billion-pixel camera to map Milky Way

The largest digital camera ever built for a space mission has been painstakingly mosaicked together from 106 separate electronic detectors. The resulting "billion-pixel array" will serve as the super-sensitive ...

Space & Earth / Astronomy

created Jul 06, 2011 | popularity 4.9 / 5 (16) | comments 15

An alien code close to home: Seeking ET beyond the radio silence

Any intelligent extraterrestrial life that exists probably won't announce itself by blowing up the White House, or win over the hearts of children as a lovable alien with a glowing finger. Many scientists ...

Space & Earth / Space Exploration

created Oct 28, 2011 | popularity 4.1 / 5 (19) | comments 97 | with audio podcast

Faraway Eris is Pluto's twin: Dwarf planet sized up accurately as it blocks light of faint star

(PhysOrg.com) -- Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope ...

Space & Earth / Astronomy

created Oct 26, 2011 | popularity 4.9 / 5 (15) | comments 9 | with audio podcast

Researchers reveal unseen planet by its gravity

More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. In a ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 4.9 / 5 (14) | comments 0 | with audio podcast

New class of stellar explosions discovered

They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...

Space & Earth / Astronomy

created Jun 08, 2011 | popularity 4.8 / 5 (14) | comments 12 | with audio podcast