Late Monday evening through early Tuesday morning, Earth and Mars will be just 35.8 million miles from each other, the closest they have been since August 2003.
The moment of closest approach will be at 12:45 a.m. Pacific Time on Tuesday morning.
Just after midnight the planet can be found low in the southeast sky between the constellations Capricorn and Sagittarius. It will appear as an extremely bright, red-orange star, and you’ll need a small telescope or binoculars to see anything more.
Another close approach won’t happen until Sept. 11, 2035, when Mars will be even a little closer at 35.4 million miles away.
The Griffith Observatory in Los Angeles has more information online about the close approach.
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