News tagged with ultraviolet radiation

Related topics:

A microbe's trick for staying young

Researchers have discovered a microbe that stays forever young by rejuvenating every time it reproduces. The findings, published in Current Biology, provide fundamental insights into the mechanisms of aging.

dateSep 12, 2013 in Cell & Microbiology
shares0 comments 0

Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen ...

dateSep 02, 2013 in Astronomy
shares0 comments 23

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 ...

dateAug 29, 2013 in Astronomy
shares0 comments 3

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.

dateAug 26, 2013 in Astronomy
shares0 comments 0

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 ...

dateAug 08, 2013 in Earth Sciences
shares0 comments 0

Dry run for the 2020 Mars mission

(Phys.org) —A film director looking for a location where a movie about Mars could be shot might consider the Atacama Desert, one of the harshest landscapes the planet has to offer. Due to the accidents ...

dateJun 25, 2013 in Space Exploration
shares0 comments 0

Pinwheeling across the sky

(Phys.org) —The face-on Pinwheel spiral galaxy is seen at ultraviolet wavelengths in this image taken by ESA's XMM-Newton space telescope.

dateJun 11, 2013 in Astronomy
shares0 comments 1

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.

dateMay 15, 2013 in Environment
shares0 comments 0

Light bursts out of a flying mirror

(Phys.org) —An international team of researchers succeeds in generating flashes of extreme ultraviolet radiation via the reflection from a mirror that moves close to the speed of light.

dateApr 24, 2013 in General Physics
shares0 comments 4

Star birth in Cepheus

(Phys.org) —Watching starbirth isn't easy: tens of millions of years are needed to form a star like our Sun. Much like archeologists who reconstruct ancient cities from shards of debris strewn over time, ...

dateApr 01, 2013 in Astronomy
shares0 comments 2