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Mars to make closest approach to Earth on July 31 – NASA
July 26, 2018
Mars will make its closest approach to Earth in 15 years on July 31, which means the red planet will be shinier and bigger and easier to observe, said U.S. space agency NASA.
The two planets will be just 57.6 million km apart on July 31, while Mars will appear brightest from
July 27 to July 30, making it easier to be seen with telescope or the naked eye.
“It’s magnificent. It’s as bright as an airplane landing light,” said astronomer Harry Augensen from
Widener University, Pennsylvania.
“Not quite as bright as Venus, but still because of the reddish, orange-ish-red color, you really can’t
miss it in the sky.”
Before the closest approach, Mars will be in opposition on Friday, which means Mars and the Sun will appear
in opposite positions as viewed from Earth.
On the same day, the longest total lunar eclipse of this century will be visible in Africa, Asia, Australia,
Europe and South America.
Mars will look fainter by mid-August since it travels farther away from Earth in the orbit around the Sun.
Mars and Earth were closer than this year in 2003, when the two planets were just 55.7 million km apart,
which was the closest in nearly 60,000 years and won’t happen again until 2287, NASA said.
