News tagged with astronomers

Related topics: galaxies , stars , black holes , milky way , nasa

Swift finds a gamma-ray burst with a dual personality (w/ video)

(PhysOrg.com) -- A peculiar cosmic explosion first detected by NASA's Swift observatory on Christmas Day 2010 was caused either by a novel type of supernova located billions of light-years away or an unusual ...

Space & Earth / Astronomy

created Nov 30, 2011 | popularity 4.1 / 5 (8) | comments 3 | with audio podcast

A beast with four tails

(PhysOrg.com) -- The Milky Way galaxy continues to devour its small neighbouring dwarf galaxies and the evidence is spread out across the sky.

Space & Earth / Astronomy

created Nov 30, 2011 | popularity 4.6 / 5 (10) | comments 19 | with audio podcast

A black hole unmasked

Black holes are among the most amazing and bizarre predictions of Einstein's theory of gravity. A black hole is thought to be point-like in dimension, but it is surrounded by an imaginary surface, or "edge," ...

Space & Earth / Astronomy

created Nov 29, 2011 | popularity 4.7 / 5 (19) | comments 26 | with audio podcast

A serendipitous gravitational lens

(PhysOrg.com) -- The path traveled by a light beam will bend in the presence of matter. This remarkable prediction, reached by Einstein in his theory of general relativity, was confirmed by observations of ...

Space & Earth / Astronomy

created Nov 21, 2011 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

Magnetic fields set the stage for the birth of new stars

(PhysOrg.com) -- Astronomers at the Max Planck Institute for Astronomy have, for the first time, measured the alignment of magnetic fields in gigantic clouds of gas and dust in a distant galaxy. Their results ...

Space & Earth / Astronomy

created Nov 16, 2011 | popularity 4.8 / 5 (5) | comments 11 | with audio podcast

Orphan supernovae?

For some years now astronomers have been scratching their heads over the appearance of supernovae that detonate out in the middle of nowhere – rather than within a host galaxy.

Space & Earth / Astronomy

created Nov 14, 2011 | popularity 4.9 / 5 (7) | comments 13

Swift observatory catches asteroid flyby (w/ video)

(PhysOrg.com) -- As asteroid 2005 YU55 swept past Earth in the early morning hours of Wednesday, Nov. 9, telescopes aboard NASA's Swift satellite joined professional and amateur astronomers around the globe in monitoring ...

Space & Earth / Space Exploration

created Nov 11, 2011 | popularity 5 / 5 (2) | comments 3

Lutetia: A rare survivor from the birth of the Earth

(PhysOrg.com) -- New observations indicate that the asteroid Lutetia is a leftover fragment of the same original material that formed the Earth, Venus and Mercury. Astronomers have combined data from ESA’s ...

Space & Earth / Space Exploration

created Nov 11, 2011 | popularity 4.7 / 5 (3) | comments 8 | with audio podcast

New study shows very first stars not monstrous

(PhysOrg.com) -- The very first stars in our universe were not the behemoths scientists had once thought, according to new simulations performed at NASA's Jet Propulsion Laboratory, Pasadena, Calif.

Space & Earth / Astronomy

created Nov 10, 2011 | popularity 4.1 / 5 (9) | comments 5 | with audio podcast

Hubble uncovers tiny galaxies bursting with starbirth in early Universe

(PhysOrg.com) -- Using its infrared vision to peer nine billion years back in time, the NASA/ESA Hubble Space Telescope has uncovered an extraordinary population of tiny, young galaxies that are brimming with ...

Space & Earth / Astronomy

created Nov 10, 2011 | popularity 4.1 / 5 (7) | comments 44 | with audio podcast

Was the real discovery of the expanding universe lost in translation?

(PhysOrg.com) -- The greatest astronomical discovery of the 20th century may have been credited to the wrong person. But it turns out to have been nobody's fault except for that of the actual original discoverer ...

Space & Earth / Astronomy

created Nov 09, 2011 | popularity 4.4 / 5 (17) | comments 13 | with audio podcast

NASA releases radar movie of asteroid 2005 YU55

(PhysOrg.com) -- Scientists working with the 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a short movie clip of asteroid 2005 YU55. The images were generated from ...

Space & Earth / Space Exploration

created Nov 09, 2011 | popularity 5 / 5 (2) | comments 5

Russians desperately try to save Mars moon probe (Update)

A Russian space probe aiming to land on a Mars moon was stuck circling the Earth after equipment failure Wednesday, and scientists raced to fire up its engines before the whole thing came crashing down.

Space & Earth / Space Exploration

created Nov 09, 2011 | popularity 5 / 5 (10) | comments 83

Big asteroid to make close, harmless zip by Earth

An asteroid the size of an aircraft carrier is set to make a close but harmless swing by Earth on Tuesday.

Space & Earth / Space Exploration

created Nov 08, 2011 | popularity not rated yet | comments 0

Forget exoplanets. Let's talk exomoons

It wasn’t that long ago that astronomers began discovering the first planets around other stars. But as the field of exoplanetary astronomy explodes, astronomers have begun looking to the future and considering ...

Space & Earth / Astronomy

created Nov 07, 2011 | popularity 5 / 5 (6) | comments 0