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Archa

Speaks French, English, Esperanto, Na'vi and Spanish.

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  • Member for 5 years, 10 months
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  • Last seen Nov 17 '16 at 19:45

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17 What are the challenges to landing a spacecraft on Mercury? Jul 20 '16
6 Unexpectably bright Tiangong-1? Jul 1 '16
1 What are amateur radio satellites passes? Jul 25 '16

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