News tagged with infrared wavelengths

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Hubble spots a very bright contortionist

(Phys.org) —The contorted object captured by Hubble in this picture is IRAS 22491-1808, also known as the South America Galaxy. It is an ultra-luminous infrared galaxy (ULIRG) that emits a huge amount of ...

Jun 17, 2013
4.8 / 5 (5) 0 | with audio podcast

The diversity of distant galaxies

(Phys.org) —With the advent of powerful space infrared telescopes like the Spitzer Space Telescope and the (recently deceased) Herschel Space Telescope, astronomers have been able to study the properties ...

Jun 10, 2013
4.5 / 5 (15) 6 | with audio podcast

A burst of stars 13 billion years ago

(Phys.org) —The universe immediately following the big bang contained mostly hydrogen and some helium. All the other elements needed to make galaxies, planets, and life were formed in stellar interiors ...

Jun 03, 2013
4.2 / 5 (6) 0 | with audio podcast

Modeling galaxy mergers

(Phys.org) —Astronomers think that many galaxies, including our own Milky Way, have undergone similar collisions during their lifetimes. Although galaxy collisions are important and common, what happens ...

Jun 03, 2013
3 / 5 (2) 1

Hubble tells a tale of galactic collisions

(Phys.org) —When we look into the distant cosmos, the great majority of the objects we see are galaxies: immense gatherings of stars, planets, gas, dust, and dark matter, showing up in all kind of shapes. ...

May 13, 2013
5 / 5 (3) 0 | with audio podcast

Thermal shield testing on Webb's MIRI

(Phys.org) —NASA engineer Acey Herrera recently checked out copper test wires inside the thermal shield of the Mid-Infrared Instrument, known as MIRI, that will fly aboard NASA's James Webb Space Telescope. ...

May 09, 2013
4.3 / 5 (3) 0 | with audio podcast