It’s small, it’s hot, and it’s shrinking. New NASA-funded research suggests that Mercury is contracting even today, joining Earth as a tectonically active planet.

2022, January 13:  Mercury, Saturn Remain Close

January 13, 2022:  Mercury and Saturn are still close to their near-conjunction point.  The gap between them is a little wider this evening.  Jupiter is the “bright star” in the southwest, to the upper left of Saturn after sundown.  The evening moon is in front of Taurus.  In the morning, Mars continues its slow climb into the morning sky, while Venus is zipping through pre-dawn twilight

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