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.

dateNov 10, 2014 in Space Exploration
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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 ...

dateNov 05, 2014 in Space Exploration
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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 ...

dateNov 04, 2014 in Space Exploration
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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.

dateNov 03, 2014 in Plants & Animals
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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 ...

dateOct 31, 2014 in General Physics
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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 ...

dateOct 29, 2014 in Biochemistry
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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 ...

dateOct 27, 2014 in Astronomy
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