The mysterious centaurs

We'll probably have to wait a very long time to get a closeup view of Chiron or other centaurs. Neither the U.S. nor Europe has any plans for a robot space mission to visit a centaur object at least through the year 2020. NASA, thanks to tinkering by the anti-space Obama regime, may no longer be a significant player in the planetary exploration game.

What's in the Sky: During early August, look low in the west at sunset for four planets visible to the unaided eye: Venus, the brightest, and to its left are Mars, Saturn and elusive Mercury.

Lou Varricchio, M.Sc., lives in Vermont. He is a former NASA science writer. He is currently part of the NASA-JPL Solar System Ambassador program in Vermont.

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