Observers would see ever-changing cloud patterns, the blue oceans, polar ice, and the general outlines of the continents coarsely with the naked eye and much better in a pair of binoculars. While the Moon's gravity has acted as a brake on Earth's rotation over time, our Earth still spins merrily away in the lunar sky every 24 hours. How bright is the Earth? How does it move in the lunar sky?īecause the Moon is tidally locked to the Earth - it revolves around our planet at the same rate that it rotates - we always see the same side. I ran across the photo again recently and wondered if I could recreate the scene and get a feel for what it would be like to stand on the Moon and see our home planet from afar using planetarium-style software. Taken by Eugene Cernan, it's one of the few images that features our planet and a fellow human together on another world.
One of my favorite photos shows astronaut Harrison Schmitt standing next to the American flag with the Earth in the background during the Apollo 17 mission. What would it be like to observe the Earth from the Moon? We suit up for a look! At about 1:14 GMT on December 12, 1972, during Apollo 17 mission's first EVA (Extravehicular Activity), Eugene Cernan photographed Harrison Schmitt deploying the American flag with Earth in the background.
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