During a NASA news conference on Thursday, Ingrid Daubar, a planetary scientist at Brown University who leads InSight’s impact science working group, said a meteor this big enters Earth’s Meteorite impacts appear to come and go in a 200 million year cycle over the course of Earth's history. Across the planet, about 200 major impact sites have been documented . The oldest of these The asteroid, dubbed 2023 DW, has about a 1 in 560 chance of hitting Earth, according to Nasa. It's the only space rock on Nasa's risk list that ranks a 1 on the Torino Impact Hazard Scale. The Effects: If the asteroid hits on land, there would be a huge amount of dust thrown up into the atmosphere. If it hits in water, then there would be an increase in water vapor in the atmosphere. This would result in an increase in rain resulting in landslides and mudslides. Regionally there might be earthquakes, hurricanes and tsunamis due to If the extraterrestrial object – i.e., an asteroid or comet – is large enough to pass through the atmosphere with little to no deceleration, it impacts the Earth's surface at a combination of its original cosmic velocity (i.e., the velocity at which an object is moving through space) and the Earth's escape velocity, generating a shock wave and forming a hypervelocity impact crater. "The effects of an impact on the earth depends critically on the size, and hence the energy, of the impact. For example, a comet less than 100 meters across will explode high in the atmosphere and An asteroid the size of a football field—dubbed the "City-killer"—passed less than 45,000 miles from Earth in 2019. An asteroid the size of a 747 jet came close in 2021 as did a 0.6-mile (1-km These impact zones show where scientists have found meteorites, or the impact craters of meteorites, some dating back as far as the year 2,300BC. The data is from the Meteocritical Society and Vay Tiền Cấp Tốc Online Cmnd.

major meteor impacts on earth