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Copyright 2019 Planet For Kids. More stories at: https://www.universetoday.com/ When the solar system formed, many of the planets landed a dose of iron. https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G, Weekly email newsletter: The rocks and soil on the surface of Mars contain a dust that is primarily made up of iron (in addition to small amounts of other elements, including chlorine). You can see how the tracks from the Curiosity Rover get at this fresh material, just a few centimeters below the surface. The Egyptians called it "Her Desher," meaning "the red one," while ancient Chinese astronomers went with "the fire star.". But why does Mars have so much iron, why is that iron "oxidized," and why does iron oxide look red? What is the smallest planet in the solar system. This rusty material was transported around the planet in dust clouds, covering everything in a layer of rust. But if you average everything out, you get Mars’ familiar red colour. With MAVEN’s help, we should be able to see if the polar caps are made of ice water. This week I'll be talking Dr. Seth Shostak from the SETI Institute about his work searching the Universe for evidence of extraterrestrials. If you dig down, like NASA’s Phoenix Lander did in 2008, you get below this oxidized layer to the rock and dirt beneath. So Mars is red because it has a layer of rusty dust covering the whole surface, and, if the scientists are right, it is blowing some of it out into space and then making more. For sure, some sort of weathering gradually rusted the iron on Mars. Election Day could turn into "Election Week" with rise in mail ballots, People don't trust social media -- and that's hurting businesses, 5G explained: How it works and when we'll have it, Wild cries during monkey sex linked to partner's popularity, Girl orders $160 dollhouse, 4 pounds of cookies with Amazon's Echo Dot, Seeing Things On Mars: A History of Martian Illusions. Advance tickets required for all visitors, including members and donors. Are you now wondering why the rust doesn’t blow away? The simple explanation for the Red Planet's color is that its regolith, or surface material, contains lots of iron oxide — the same compound that gives blood and rust their hue. Mars is not entirely red, but actually features a variety of different colors including tan, brown, golden, and greenish. eval(ez_write_tag([[580,400],'planetsforkids_org-medrectangle-3','ezslot_3',601,'0','0'])); The rust layer is very thin and Mars has such large storms that they sometimes cover the entire planet. / Space.com. The dust in the atmosphere scatters the red photons, makes the sky appear red. Ancient Egyptians saw it best in the night sky and called it ‘the red one’. She has taught science courses at the high school, college, and graduate levels. Trump: Fauci is a "disaster" but it would be "a bigger bomb to fire him", 7.5 magnitude Alaska earthquake triggers tsunami advisory, Surge in coronavirus cases puts strain on Wisconsin hospitals, Debate Commission says it will mute mics at final debate, Jeff Bridges says he's been diagnosed with lymphoma, Jeffrey Toobin suspended by The New Yorker, on leave from CNN, Exxon on hypothetical Trump call: "It never happened", Colorado wildfires show "climate change is here and now", Amazon employees petition to make Election Day a paid day off, Battleground Tracker: Latest polls, state of the race and more, 5 things to know about CBS News' 2020 Battleground Tracker, CBS News coverage of voting rights issues. It’s brown, not red. Or, as a group of Danish scientists suggested in 2009, have Martian dust storms slowly rusted the iron, by crumbling the quartz crystals that also exist in the regolith and leaving their oxygen-rich surfaces exposed? The iron oxide on Mars may have formed a long t… And if you could stand on the surface of Mars and look around, what colour would the sky be? ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 Iron left out in the rain and will get covered with rust as the oxygen in the air and water reacts with the iron in the metal to create a film of iron oxide. Follow Natalie Wolchover on Twitter @nattyover or Life's Little Mysteries @llmysteries. For sure, some sort of weathering gradually rusted the iron on Mars. Trump called it "very unfair" that the debate topics chosen by the moderator will deviate from the traditional focus on foreign policy to include domestic issues. All rights reserved. They are finding that Mars may not have water on the surface, but it may contain water deep below. Rather, some of the Martian rocks are green, just like some rocks are green on Earth. However, scientists believe that, while some of the dust blows out into space, more dust is being made. But correspondent Tracy Smith finds out there was yet another calling in Roth's life that, he says, made him feel like a rock star. Earth has a lot of iron, but most of it sunk to the middle of the planet when earth was formed. The Central Idaho Dark Sky Reserve, draped over nearly one million acres of wilderness areas and the Sawtooth National Forest, is a major draw for amateur astrophotographers capturing the heavens. First published on August 9, 2012 / 9:45 AM. The court split 4-4, with Chief Justice John Roberts taking liberals' side. In fact, the jury's still out on that one. In a wide-ranging 60 Minutes interview, Dr. Anthony Fauci expresses his frustration with a Trump campaign ad; explains why, early in the pandemic, masks were largely recommended for health care workers; and says whether he plans to vote in person. Battleground Tracker: Biden leads in Wisconsin, has edge in Arizona, A behind-the-scenes look at how mail-in ballots are processed. At a time when many statues of controversial historical figures are coming down, some lofty women are going up. We have recorded several podcasts just about Mars. Join us at patreon.com/universetoday. What happens if the president doesn't accept the election results?
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