How to watch as Mercury transits the Sun on November 11

1 year ago
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NASA JPL Jet Propulsion Laboratory What's Up Whats Up WhatsUp Mercury transit planet transit 2019 transit Algol

Highlights of the November sky include how to watch as Mercury transits the Sun on Nov. 11, plus how to observe the regular dimming and brightening of the "Demon star," Algol, with your own eyes.

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