Mars' Apparent Brightness Increases As it Gets Closer to Earth

Mars' Apparent Brightness Increases As it Gets Closer to Earth
Mars' Apparent Brightness Increases As it Gets Closer to Earth In 2018, Mars will appear brightest from July 27 to July 30. Its closest approach to Earth is July 31. That is the point in Mars' orbit when it comes closest to Earth. Mars will be at a distance of 35.8 million miles (57.6 million kilometers). NASA / JPL-Caltech

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