News tagged with infrared light

Hubble traps galactic fireflies

(Phys.org)—Luminous galaxies glow like fireflies on a dark night in this image snapped by the NASA/ESA Hubble Space Telescope. The upper central galaxy in this image is a gigantic elliptical galaxy designated 4C 73.08. ...

dateNov 18, 2012 in Astronomy
shares0 comments 6

Gravitational telescope creates space invader mirage

(Phys.org)—The NASA/ESA Hubble Space Telescope is one of the most powerful available to astronomers, but sometimes it too needs a helping hand. This comes in the form of Einstein's general theory of relativity, which makes ...

dateMar 05, 2013 in Astronomy
shares0 comments 5

How engineers revamped Spitzer to probe exoplanets

(Phys.org) —Now approaching its 10th anniversary, NASA's Spitzer Space Telescope has evolved into a premier observatory for an endeavor not envisioned in its original design: the study of worlds around other stars, called ...

dateSep 25, 2013 in Astronomy
shares0 comments 1

Hubble sees cosmic riches

(Phys.org)—This dazzling image shows the globular cluster Messier 69, or M 69 for short, as viewed through the NASA/ESA Hubble Space Telescope. Globular clusters are dense collections of old stars. In this picture, foreground ...

dateOct 07, 2012 in Astronomy
shares0 comments 0

Image: The Stephan's Quintet of galaxies

The Stephan's Quintet of galaxies was discovered by astronomer Édouard Stephan in 1877. At the time, however, he reported the discovery of 'new nebulae', as the concept of other galaxies beyond our Milky Way was only formalised ...

dateDec 21, 2015 in Astronomy
shares89 comments 0

Interstellar dust and the sun

(Phys.org)—The space between stars is not empty. It contains copious but diffuse amounts of gas and dust; in fact about 5-10% of the total mass of our Milky Way galaxy is in interstellar gas. About 1% of the mass of this ...

dateNov 12, 2012 in Astronomy
shares0 comments 17