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 ...

Nov 18, 2012 5 / 5 (6) 7 | with audio podcast

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 ...

Nov 12, 2012 5 / 5 (3) 17 | with audio podcast

Night-time view of Aurora

(Phys.org)—Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm ...

Nov 06, 2012 5 / 5 (6) 6 | with audio podcast

Infrared vision in a cichlid fish

Biologists from the University of Bonn have discovered that the cichlid fish Pelvicachromis taeniatus can see in the near infrared range; this was thought to be unlikely until now. Seeing in the infrared range is apparently helpin ...

Oct 30, 2012 3.5 / 5 (2) 2 | with audio podcast