News tagged with spitzer space telescope

The distant cosmos as seen in the infrared

(Phys.org) —At some stage after its birth in the big bang, the universe began to make galaxies. No one knows exactly when, or how, this occurred. For that matter, astronomers do not know how the lineages ...

Apr 12, 2013
5 / 5 (17) 52 | with audio podcast

Galaxy's Ring of Fire

Johnny Cash may have preferred this galaxy's burning ring of fire to the one he sang about falling into in his popular song. The "starburst ring" seen at center in red and yellow hues is not the product of ...

May 18, 2013
5 / 5 (5) 3 | with audio podcast

Near-Earth asteroid is really a comet

Some things are not always what they seem—even in space. For 30 years, scientists believed a large near-Earth object was an asteroid. Now, an international team including Joshua Emery, assistant professor ...

Sep 10, 2013
4.8 / 5 (18) 15 | with audio podcast

New suspect identified in supernova explosion

(Phys.org) —Supernovas are often thought of as the tremendous explosions that mark the ends of massive stars' lives. While this is true, not all supernovas occur in this fashion. A common supernova class, ...

Jun 04, 2014
4.8 / 5 (6) 0

Stormy stars? Spitzer probes weather on brown dwarfs

(Phys.org) —Swirling, stormy clouds may be ever-present on cool celestial orbs called brown dwarfs. New observations from NASA's Spitzer Space Telescope suggest that most brown dwarfs are roiling with one ...

Jan 07, 2014
4.7 / 5 (11) 0 | with audio podcast

Retrieving an asteroid

(Phys.org) —Asteroids (or comets) whose orbits bring them close to the earth's orbit are called near Earth objects. Some of them are old, dating from the origins of the solar system about four and one-half ...

Dec 27, 2013
4.9 / 5 (32) 60 | with audio podcast

A ghostly trio from Spitzer Space Telescope

(Phys.org) —In the spirit of Halloween, scientists are releasing a trio of stellar ghosts caught in infrared light by NASA's Spitzer Space Telescope. All three spooky structures, called planetary nebulas, ...

Oct 29, 2013
5 / 5 (7) 0 | with audio podcast

Supernova seen in two lights

(Phys.org) —The destructive results of a mighty supernova explosion reveal themselves in a delicate blend of infrared and X-ray light, as seen in this image from NASA's Spitzer Space Telescope and Chandra ...

Aug 22, 2014
4.7 / 5 (7) 1

Shocks in the Cygnus Loop supernovae remnant

(Phys.org) —Supernova remnants (SNRs) play a vital role in the lifecycle of dust in the interstellar medium. As shockwaves from supernovae sweep up interstellar material, they heat the gas and dust, and ...

Jun 27, 2014
5 / 5 (2) 0