News tagged with astronauts

An orange a day keeps scurvy away

Centuries ago, ships often sailed with crews numbering in the hundreds returning with tens. Cause of death: Scurvy - a severe depletion of Vitamin C. Today's explorers cross miles of space with no hope of finding an island ...

dateAug 03, 2015 in Space Exploration
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Image: Claude Nicollier repairing Hubble

This week marks the 25th anniversary of the launch of the Hubble space telescope. Hubble was designed to be maintained and repaired by astronauts and since its launch in 1990 five Space Shuttle missions made visits.

dateApr 21, 2015 in Space Exploration
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The heart of an astronaut, five years on

The heart of an astronaut is a much-studied thing. Scientists have analyzed its blood flow, rhythms, atrophy and, through journal studies, even matters of the heart. But for the first time, researchers are looking at how ...

dateJul 22, 2014 in Space Exploration
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Astronauts exploring the depths

Usually, ESA sends astronauts to outer space, but last week six astronauts from around the world spent six days underground to get a taste of working together in extreme conditions.

dateOct 07, 2013 in Space Exploration
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An astronaut's rhythm

Anyone who has flown long distances will be familiar with the jetlag that comes with travelling across time zones. Our body clocks need time to adjust to different daylight times as high-fliers and frequent travellers know ...

dateJan 07, 2014 in Space Exploration
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