Planetary scientists suspect that Valles Marineris formed because of Mars having a lack of plate tectonics. Mars is also home to Valles Marineris, the largest canyon in the solar system and Olympus Mons, the tallest mountain in the solar system. The Tharsis Bugle has some of the largest volcanoes in the solar system sitting on top. This bulge has minimal cratering, indicating it is the youngest surface on Mars. For example, the Tharsis Bulge, a region the size of North America that rises 10 km above its surroundings due a large upwelling in the crust. Though we now know the idea that Mars could be home to an advanced civilization to be nothing more than ideal speculation, Mars still has many features that have fascinated scientists. Some, like Percival Lowell, imagined entire civilizations that built elaborate canals to transport water from the poles to dry regions near the equator. From the 18 th through the early 20 th century, many speculated that Mars might be habitable, with rolling deserts. Some observers speculated they might be patches of vegetation. The Italian astronomer Cassini notices that the surface markings underwent seasonal changes, growing darker in the summer and changing shape from year to year. It bright, white polar caps, which shrink in the summer and grow in the winter, giving the appearance of seasons like those on Earth. Though about half the size of the Earth, Mars has a rotational period only about 39 minutes longer. Https:/By the end of the 1700s, astronomers had observed even more features that resemble Earth’s. Mars has been the setting for numerous works of science fiction. Movies like Mars Attacks and the Martian.The Martian Manhunter, a superhero from comic books and television.The My Favorite Martian television series.The cartoon character Marvin the Martian.Edgar Rice Boroughs’ John Carter of Mars series.Wells’ novel War of the Worlds and the 1938 radio adaption of the story by Orson Wells that aired on Halloween night. Examples of Mars featured in our popular culture include: Mars has served as a source of inspiration for fiction since the 19 th century. ![]() No planet in our solar system has been the subject of science fiction stories either. From Schiaparelli and Percival Lowell’s “canals” to conspiracy theories about the imaginary “face” of Mars, Mars has been the subject of wild speculation and fascination. No planet has been visited by more probes than Mars. Https://photos/mars-face-on-mars-cydonia-mensae-63034 The "Face of Mars" as imaged by the Mars Global Surveyor. Viking orbiter photo the "Face of Mars." While it may to be a face, it is actually an artifact of poor resolution and shadows. 10.2.1 Physical Characteristics of Mars.
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