- Mars may be the next great travel destination of the future.
- If you vacationed there, you’d see epic sites, like Mars’ North Pole, with an ice cap bigger than Texas.
- Later on the trip, we’ll visit Olympus Mons, the tallest volcano in the solar system, which is three times as tall as Mount Everest.
- We’ll also visit Valles Marines, the largest canyon in the solar system, which runs the length of New York to Los Angeles.
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Following is a transcript of the video.
Imagine you could vacation on Mars. At first glance, Mars appears very different from Earth, but if you take a closer look, you’ll discover that the Red Planet isn’t all that different from our own.
Our first stop, the North Pole. This ice cap is bigger than Texas, and is mostly covered in water ice and solid carbon dioxide, aka dry ice. Heading south, we’ll visit Kasei Valles. It’s a vast system of chasms five times longer and 10 times wider than the Grand Canyon, and scientists think it formed in a similar way. Billions of years ago, Mars was warmer, and covered with liquid water, which likely carved out valleys like this one.
Mawrth Vallis is another valley close by, but it looks very different from our previous spot, thanks to its multicolored layers of clay. These deposits probably formed over millennia as Mars shifted towards a colder, drier climate, and they could provide clues to the history of liquid water and possible ancient life on Mars.
The next stop is another place that may have been teeming with life long ago, Bacquerel Crater. It’s filled with rocks made of sulfate similar to ones on Earth that form after water evaporates, which has led scientists to suspect that this crater may once have been a massive lake over 160 kilometers wide.
Next stop, Iani Chaos. Now, this is one type of terrain you won’t find anywhere on Earth. It’s a maze of rugged cliffs and pillar-like hills called mesas that extend for 200 kilometers, and since there is nothing like it on Earth, scientists aren’t exactly sure how these unique features formed. Its larger neighbor, Hydraotes Chaos, probably formed in a similar mysterious way. It stretches 350 kilometers, the same distance as New York City to Boston.
West of Hydraotes, we find one Mars’s greatest attractions, Valles Marineris. It’s the largest canyon in the solar system, running the length of New York to Los Angeles, and plunging four times as deep as the Grand Canyon.
Following the canyon’s main channel north, we reach Hebes Chasma. It’s tiny compared to Valles Marineris, but it’s worth the trek for a glimpse of the chasma’s prominent mesa.
And no trip to Mars would be complete without a visit to Olympus Mons, the tallest volcano in the solar system. It covers a region the size of Arizona. It’s three times as tall as Mount Everest, and can comfortably fit all the volcanoes in Hawaii.
Moving south, we’ll see Promethei Planum. It’s a plane near the South Pole, covered in a sheet of ice nearly one and a half times as thick as the East Antarctic Ice Sheet.
Next, we’ll swing around to Rabe Crater. It’s covered in giant sand dunes 150 to 200 meters high, almost as tall as the Golden Gate Bridge.
Nearing the end of our tour is one of the oldest regions of Mars that dates back to at least 3.9 billion years ago, Neukum Crater. Scientists think this crater formed from a powerful impact early in Mars’s history. In fact, you can still see pockmarks left by the crash.
The last crater on our tour is formally named Galle Crater, but many call it Happy Face Crater for obvious reasons.
Finally, we’ve reached our last stop, the South Pole. In 2018, scientists found evidence of a liquid lake beneath the ice, which could be filled with saltwater.
But while that’s a promising discovery, we still have much to learn about this fascinating world, like whether life once existed in those ancient lakes, or if it still exists today, possibly somewhere underground. But perhaps the biggest question of all, could human life survive here? Maybe in the future, you won’t have to imagine your Martian vacation.
EDITOR’S NOTE: This video was originally published in February 2019.
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