More from David Shiga
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Space
Embattled NASA chief vows to outline path to Mars
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Space
NASA sets sights on inflatable space stations
News
The Hipparcos chronicles: Star-mapping survivor
Books & Arts
Space
Sun’s warmth blows comet’s icy heart apart
News
Life
‘Backward’ black holes spew super-powerful jets
News
Space
Space 2020: what NASA will do next
News
Space
Briefing: What NASA’s proposed changes really mean
News
Physics
At last we will know how bright the stars really are
News
Space
NASA nixes moon plan, leaving options wide open
News
Space
Panel calls for global ‘asteroid defence agency’
News
Space
Hidden asteroids are stalking the Earth
News
Space
Trail of dust may point to fresh violence in asteroid belt
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