Primeiro passeio espacial privado vai acontecer! Polaris Dawn já tem data para o lançamento - PplWare



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Is There a Limit to How Long Humans Can Survive in Space? - Gizmodo
Youngest planet ever discovered has misaligned orbit, puzzles scientists - Yahoo! Voices

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Rare Asteroid Sample Contaminated by Microorganisms Despite Scientists’ Best Efforts - Gizmodo