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NASA balloon at float, begins Southern Hemisphere journey
The first super pressure balloon flight of NASA's New Zealand Balloon Campaign reached its float altitude after lifting off ...
Space.com3d
Katy Perry just became the 1st pop star to sing in space — but Lance Bass, Beyonce, Lady Gaga, Sarah Brightman and Justin Bieber had their chance
But that musical milestone in space history could have looked very different, because Katy Perry isn't the first performer ...