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Donald John Trump (born June 14, 1946) is the 45th and current president of the United States. Before entering politics, he was a businessman and television personality. Trump was born and raised in Queens, a borough of New York City, and received a bachelor's degree in economics from the Wharton School. He took charge of his family's real-estate business in 1971, renamed it The Trump Organization, and expanded its operations from Queens and Brooklyn into Manhattan. The company built or renovated skyscrapers, hotels, casinos, and golf courses. Trump later started various side ventures, mostly by licensing his name. He bought the Miss Universe brand of beauty pageants in 1996, and sold it in 2015. He produced and hosted The Apprentice, a reality television series, from 2003 to 2015. As of 2020, Forbes estimated his net worth to be $2.1 billion.[
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Did Viking I Find Proof of a Megatsunami on Mars?

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(CNN) – When NASA's Viking 1 lander made history as the first spacecraft to touch down on Mars on July 20, 1976, it sent back images of a landscape no one was expecting.Those first images taken from the ground there showed a surprisingly boulder-strewn surface in the red planet’s northern equatorial region, rather than the smooth plains and flood channels expected based on images of the area taken from space.The mystery of the Viking landing site has long puzzled scientists, who believe an ocean once existed there.Now, new research suggests that the lander touched down where a Martian megatsunami deposited materials 3.4 billion years ago, according to a study published Thursday in the journal Scientific Reports.The catastrophic event likely occurred when an asteroid slammed into the shallow Martian ocean — similar to the Chicxulub asteroid impact that wiped out dinosaurs on Earth 66 million years ago, according to researchers. Solving an ancient riddleFive years before the Viking I landing, NASA’s Mariner 9 spacecraft had orbited Mars, spotting the first landscapes on another planet that suggested evidence of ancient flood channels there.The interest in the potential for life on the red planet prompted scientists to select its northern equatorial region, Chryse Planitia, as the first Martian landing site for Viking I.“The lander was designed to seek evidence of extant life on the Martian surface, so to select a suitable landing site, the engineers and scientists at the time faced the arduous task of using some of the planet’s earliest acquired images, accompanied by Earth-based radar probing of the planet’s surface,” said lead study author Alexis Rodriguez, senior scientist at the Planetary Science Institute in Tucson,.

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