Valles Marineris is the most prominent tectonic feature on Mars, consisting of troughs up to 4000 km (2,500 mi) in length, 200 (120 mi) km in width, and 10 km (6.3 mi) in depth. It’s the largest canyons in the solar system.
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Reddit user: mmaronn
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22 million veterans living in the United States. The Department of Veterans Affairs expects the number of living veterans to
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According to the American Community Survey, an annual survey conducted by the US Census Bureau, the overall percentage of people
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Read MoreBy 2014, life expectancy in the U.S. had increased for men and women to 79.1 years. But there’s a gap
Read MoreSouthwest Asia in the early 20th Century.
Read MoreThe seven days of creation are illustrated in the panels at the top of the map.
Read MoreTop 10 countries with the largest travel industries (GDP)1. United States ($488 billion)2. China ($224 billion)3. Germany ($130.8 billion)4. Japan
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The U.S. has 264,837 square miles of water, accounting for 7 percent of the total area of the country. Percentage
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