#ClassiscKenCroswell: #UNBOUND. The Voyager twins can still communicate from interstellar space. Ken Croswell. The Lives of Stars.

Photo:  Artist's concept of Voyager spacecraft in flight

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#ClassiscKenCroswell: #UNBOUND. The Voyager twins can still communicate from interstellar space.  Ken Croswell.  The Lives of Stars.

1.   I977: to Saturn and Jupiter and beyond. Fascinating moons: Io, same size as our Moon, has erupting volcanoes.  Europa has liquid water oceans under ice.   Saturn: nitrogen atmosphere.

2.  The heliopause.

Proceedings of the National Academy of Sciences:  https://www.pnas.org/content/118/17/e2106371118

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