The top documents tagged [mass of apophis]

Deflecting APOPHIS with a Flotilla of Solar Sails

Deflecting APOPHIS with a Flotilla of Solar Sails

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Deflecting APOPHIS with a Flotilla of Solar Sails Jean-Yves Prado Olivier Boisard, Alain Perret,Guy Pignolet U3P France.

Deflecting APOPHIS with a Flotilla of Solar Sails Jean-Yves Prado Olivier Boisard, Alain Perret,Guy Pignolet U3P France.

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