Risk listNEO. The CNEOS team also ruled out a potential impact for the next 100 years, Farnocchia said. Meghan is a senior writer at Space.com and has more than five years' experience as a science journalist based in New York City. DART team members have filled the spacecraft with fuel, and are running rehearsals as they approach launch on Nov. 23, 2021. One particularly interesting note is that the 1,100-foot-wide asteroid will pass so close to Earth that itll be visible without the need for a telescope. "This is equivalent to the explosive yield of the global nuclear arsenal," he said. In a nod to its horrifying potential, they named it Apophis, after an Egyptian god of chaos. Fortunately, scientists are confident that 99942 Apophis will not strike earth in 2029. NASA Mission Helps Solve a Mystery: Why Are Some Asteroid Surfaces Rocky. After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could potentially hit Earth. That's closer than most geosynchronous satellites and 10 times closer than the moon. Indeed, one asteroid estimated to have been around a kilometer in size struck Southeast Asia around 800,000 years ago, according to a study from Curtin University. NASA categorizes NEOs (Near Earth Objects) as ones that come within 4.6 million miles of earth (0.05 astronomical units) and measure more than 460 feet in diameter. All content on IngramsOnline.com 2000-2023 Show-Me Publishing, Inc. As suitably apocalyptic as that sounds, though, that may not be the main inspiration behind the name. But as of March 2021, NASA has confirmed that there is absolutely zero chance the space rock known as 99942 Apophis will strike this planet for at least 100 years. To compare, the Tunguska event, when a mysterious asteroid exploded above the surface of the Siberian wilderness in 1908, was estimated to have been somewhere between 3-10 megatons of TNT. For Scientists, Its a Lucky Day https://t.co/Q3ebqQ1yyT pic.twitter.com/0kUGiZymVn, Studies confirm there is no risk of asteroid 99942 Apophis impacting Earth for at least another century. A newly discovered asteroid will pass close to Earth on Thursday An animation shows Apophis' 2029 path compared to the swarm of satellites orbiting Earth. (2021, March 25) NASA Jet Propulsion Laboratory (JPL); JPL. Until March 2021, however, a small chance of impact in 2068 still remained. It is estimated that an asteroid around the size of Apophis strikes the planet every 800,000 years or so. WATCH LIVE: Anti-Government Demonstrators Rally in Tel Aviv, 2023 Sputnik. Here are the next 5 asteroids, passing within 4.6 million miles of Earth in 2019. asteroid It will be close enough and large enough for it to be seen by the naked eye by more than a billion people on earth.
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