Mars and the full moon

Folks planning to heed the email making the rounds about the spectacular sky show Aug. 27 should plan to do something else. Alas, Mars will really not be the size of the full moon.

It might be, if the dusty red planet broke out of its orbit and came wandering our way, in which case its gravity would play hell with the tides, and make coastal living, at the least, unpleasant.

More likely, Mars will continue in its usual orbit, and from here on water world it will be just a pinpoint of light, a flashing little star, because it’s never closer to us than 35 million miles away.

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