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

Hubble spots a colorful lenticular galaxy

(Phys.org)—The NASA/ESA Hubble Space Telescope has captured a beautiful galaxy that, with its reddish and yellow central area, looks rather like an explosion from a Hollywood movie. The galaxy, called NGC ...

Nov 12, 2012
4.9 / 5 (8) 3 | 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

NGC 3344: Hubble sees galaxy in a spin

(Phys.org)—NGC 3344 is a glorious spiral galaxy around half the size of the Milky Way, which lies 25 million light-years distant. We are fortunate enough to see NGC 3344 face-on, allowing us to study its ...

Oct 22, 2012
5 / 5 (5) 4 | with audio podcast

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 ...

Oct 07, 2012
5 / 5 (8) 0 | with audio podcast

Physicists confine electrons inside nano-pyramids

(Phys.org)—Quantum dots are nanostructures of semiconducting materials that behave a lot like single atoms and are very easy to produce. Given their special properties, researchers see huge potential for ...

Sep 28, 2012
4.4 / 5 (5) 0 | with audio podcast

Hubble spotted a supernova in NGC 5806

(Phys.org)—A new image from the NASA/ESA Hubble Space Telescope shows NGC 5806, a spiral galaxy in the constellation Virgo (the Virgin). It lies around 80 million light years from Earth. Also visible in ...

Sep 02, 2012
4.6 / 5 (10) 0 | with audio podcast

WISE survey uncovers millions of black holes

(Phys.org)—NASA's Wide-field Infrared Survey Explorer (WISE) mission has led to a bonanza of newfound supermassive black holes and extreme galaxies called hot DOGs, or dust-obscured galaxies.

Aug 29, 2012
4.7 / 5 (15) 30 | with audio podcast