News tagged with ultraviolet radiation

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Hubble sees a cosmic caterpillar

(Phys.org) —This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also ...

Aug 29, 2013 4.6 / 5 (14) 3 | with audio podcast

Embracing Orion

(Phys.org) —This new view of the Orion A star-formation cloud from ESA's Herschel space observatory shows the turbulent region of space that hugs the famous Orion Nebula.

Aug 26, 2013 5 / 5 (6) 0 | with audio podcast

Ozone hole might slightly warm planet

A lot of people mix up the ozone hole and global warming, believing the hole is a major cause of the world's increasing average temperature. Scientists, on the other hand, have long attributed a small cooling ...

Aug 08, 2013 2.8 / 5 (6) 0 | with audio podcast

Calculate your nitrogen footprint

Carbon footprints are a familiar way to assess how green your lifestyle is, but now you can also measure your nitrogen footprint using a new tool, the N-Calculator.

May 15, 2013 5 / 5 (1) 0