News tagged with wavelength of light

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As seen from space: Mt. Etna boils over

Italy's Mount Etna has turned on again, spewing lava and gas in its first big eruption in 2013. The volcano is one of the most active in the world, and is Europe's tallest active volcano, currently standing ...

Feb 22, 2013 5 / 5 (6) 0

Do black holes help stars form?

(PhysOrg.com) -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around ...

Feb 03, 2012 4.5 / 5 (6) 1 | with audio podcast

Mercury's many colors

Although composited from expanded wavelengths of light, this wide-angle image from NASA’s MESSENGER spacecraft shows the amazing variation of colors and tones to be found on Mercury’s Sun-scoured ...

Jul 27, 2012 5 / 5 (5) 0