News tagged with ozone layer

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Study finds unprecedented Arctic ozone loss

(PhysOrg.com) -- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low ...

Oct 02, 2011
3.8 / 5 (18) 28 | with audio podcast

A bubbling ball of gas (w/ Video)

The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...

Nov 11, 2009
4.9 / 5 (18) 6

2014 Antarctic ozone hole holds steady

The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The size of this year's hole was 24.1 million ...

Oct 30, 2014
4.2 / 5 (11) 20

A better device to detect ultraviolet light

Researchers in Japan have developed a new photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful enough to break the bonds of DNA and ...

Oct 04, 2013
4.7 / 5 (6) 0 | with audio podcast

Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide ...

Sep 10, 2013
4.8 / 5 (13) 5 | with audio podcast