News tagged with radiation

Galileo satellite set for new orbit

ESA's fifth Galileo navigation satellite, one of two left in the wrong orbit this summer, will make a series of manoeuvres this month as a prelude to its health being confirmed.

Nov 10, 2014
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Living off the land in the final frontier

Safely sending human explorers to and from Mars will be the challenge of a generation. We don't yet know what clues astronauts will uncover in the Martian soil or atmosphere that reveal new knowledge about ...

Nov 05, 2014
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SDO sees a mid-level solar flare: Nov. 3

The sun emitted a mid-level solar flare, peaking at 5:40 p.m. EST on Nov. 3, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful ...

Nov 04, 2014
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How beetles hack into ant colonies

Pretending to be one of them, ant-nest beetles trick ants to rear their brood—and then reward their hosts by devouring them. UA entomologists have discovered that the beetles evolve at an astonishing rate.

Nov 03, 2014
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A new generation of storage—ring

A bright synchrotron source that emits over a wide part of the electromagnetic spectrum from the infrared to hard X-rays is currently being built in Lund, Sweden. The MAX IV facility presents a range of technical ...

Oct 31, 2014
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Why plants don't get sunburn

Plants rely on sunlight to make their food, but they also need protection from its harmful rays, just like humans do. Recently, scientists discovered a group of molecules in plants that shields them from ...

Oct 29, 2014
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Universe older than it looks

When astronomers (Bond 2013) first dated the star HD 140283, which lies a mere 190 lightyears from Earth in the constellation of Libra, they were puzzled. This rare, star appeared to be rather ancient and ...

Oct 27, 2014
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