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Mars Will Come Closer To Earth Tonight Than It Has Been In 15 Years Here’s How To See It

Mars will look brighter in the night sky over the next week than it has appeared in 15 years.

That’s because the red planet will be at its closest point to Earth since 2003 throughout the rest of July, as our planet passes between Mars and the sun.

On July 31, when Mars will be at its brightest, it’ll be 35.8 million miles away from Earth, according to The Weather Channel

Mars will be easily visible to the naked eye throughout July, outshining all but the brightest stars as it gets to its closest point.

The reason for this is a phenomenon called perihelic opposition. In simple terms, opposition is when Earth passes directly between Mars and the sun. Last month, Jupiter was in opposition to our planet, swinging within 409 million miles of Earth. 

Mars opposition happens every two years or so — the last one came in May 2016. But this year is special because within a few weeks of the opposition, the red planet will also hit its closest point to the sun in its orbit, a point called the perihelion.

Perihelic opposition occurs only once every 15 to 17 years, when Earth’s and Mars’ orbits align to bring the two planets close together, according to NASA

But while Mars may look bright and beautiful from your backyard, the reality on the planet is much less friendly. A dust storm is currently walloping Mars, and it’s become a “planet-encircling” storm, according to NASA

“The storm is one of the most intense ever observed on the Red Planet,” NASA previously said in a press release

NASA put its solar-powered Opportunity rover in sleep mode to ride out the storm, but the dust may not settle until September, and it’s unclear whether the aging rover will be able to function again after the storm ends.

The image below shows a series of pictures that NASA simulated from the perspective of the Opportunity rover in June. They give a sense of what the sun and sky looked like from Mars’ surface — at the brightest time of the day — as the storm worsened. In the far-right picture, the sun is entirely blotted out to Opportunity.


Simulated images show what NASA’s Opportunity rover saw as a global dust storm on Mars blotted out the sun in June 2018. NASA/JPL-Caltech/TAMU

NASA’s newer Curiosity rover runs on nuclear power, so it seems to be doing fine despite the storm.

In fact, Curiosity is giving scientists a peek into the mechanics of Martian dust storms, and scientists hope to use that data to figure out why some dust storms fizzle out, while others last for months and cover the whole planet. 

The animation below shows the dust storm spreading (it’s that orange-ish blob) between May 31 and June 11, before it reached its current size. 

Read the original article on Business Insider. Follow us on Facebook and Twitter. Copyright 2018.

Read next on Business Insider: An astronaut photographed the ‘blood moon’ from the International Space Station, and his pictures are haunting

Read more: http://www.iflscience.com/space/mars-will-come-closer-to-earth-tonight-than-it-has-been-in-15-years-heres-how-to-see-it/

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