Sunday, 3 January 2016

Kepler Orrery IV [#astronomy]

All of the Kepler multi-planet systems (1705 planets in 685 systems as of 24 November 2015).

Tutti i sistemi multi-pianeta di Keplero (1705 pianeti in 685 sistemi al 24 novembre 2015).

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Voyager 1 [#astronomy]

On September 5, 1977 NASA launched the probe Voyager 1 , meant to study the outer Solar System. It reached Jupiter in 1979, then Saturn the ...