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The cost of launching data-gathering satellites into space is about to get a lot cheaper, if Dirk Wallinger has his
When the Dragon spacecraft from 2012's SpaceX 4 mission successfully berthed with the ISS's Harmony module, the cargo capsule's place in
By David S Lewis [embed]https://www.facebook.com/yahoonews/videos/10155077585586037/[/embed] Web news service Yahoo! News broadcast a live spacewalk on its Facebook page yesterday morning.