It has a very helpful atmosphere, which, being primarily Carbon dioxide with some nitrogen and argon and a few other trace elements, means that we can grow plants on Mars just by compressing the atmosphere.
You can even look back at some of the views from Mars' closest point in a webcast that filmed the event live from the Griffith Observatory in Los Angeles.
On the night of 31 July, Mars will be closest to the Earth in 15 years.
It's a little brighter, not only because it happens to be closer, but Mars is also at its "opposition" - directly opposite the sun as seen from Earth. Those who were watching the lunar eclipse on July 27 must have noticed Mars in the sky too, as the planet was easily visible a few degrees below our natural satellite.
NASA advice on Mars Earth approach. Even if this loss were prevented somehow, allowing the atmosphere to build up slowly from outgassing by geologic activity, current outgassing is extremely low; it would take about 10 million years just to double Mars' current atmosphere, according to the team.
"It is significant.... If you look at Mars through a telescope, it appears about twice as big now as it would have appeared, say, seven years ago". Check out this quick guide to help you get more out of your night sky photos.
At 3:50 a.m. EDT (0750 GMT), Mars reached the closest point to Earth in its orbit.
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The next close approach between two planets will be 62 million kilometres in 2020, as per NASA.
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It was also recently discovered that water was found on the surface of Mars. We won't censor or delete comments unless they contain off-topic statements or links, unnecessary vulgarity, false facts, spam or obviously fake profiles. Nope. In 2003, Mars was 34.6 million miles from Earth and the closest it had been in almost 60,000 years.
A CNN video screengrab of the planet Mars.
Mars will be at its closest distance to Earth in 15 years tonight, wrapping up a memorable month for stargazers.
After sunset, the planet will appear especially bright and should be relatively easy to spot (providing the clouds stay away) thanks to its orange-red hue.