Raumcon
Astronomie => Deep Sky => Thema gestartet von: akku am 02. Juli 2015, 19:48:37
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2018
quelle http://www.nasa.gov/feature/goddard/astronomers-predict-fireworks-from-rare-stellar-encounter-in-2018/ (http://www.nasa.gov/feature/goddard/astronomers-predict-fireworks-from-rare-stellar-encounter-in-2018/)