Planet Mercury transit, 9 May

This video says about itself:

7 April 2016

A transit of Mercury is taking place on 9th May 2016. This is a relatively a rare event: there will be another on 11th November 2019 but, after that, you’ll have to wait until 2032! Learn more here. …

Planets and the Sun on the animation are not to scale.

Mercury’s surface still changing. MESSENGER’s snapshot of cliffs hints at tectonic activity within last 50 million years. By Christopher Crockett, 11:00am, September 26, 2016: here.

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