How big must an asteroid be to end human civilization? | Space
WEBSep 26, 2022 · Devastating tremors of a magnitude 7.4 on the Richter scale would propagate through the planet's crust and would still be felt by humans as far as 300 miles (500 km) from the impact site. The...
500 kilometre wide asteroid impact | energy 26 trillion
WEBSimulation of a 500 kilometre wide asteroid composed of iron impacting Earth. This object delivers a kinetic energy of 1e29 joules. Equivalent to over 26 exa...
99942 Apophis - Wikipedia
WEB99942 Apophis (provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object with a diameter of 370 metres (1,210 feet) [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April 13, 2029.
Impact event - Wikipedia
WEBAsteroids with a 1 km (0.62 mi) diameter strike Earth every 500,000 years on average. [17] [18] Large collisions – with 5 km (3 mi) objects – happen approximately once every twenty million years. [19] The last known impact of an object of 10 km (6 mi) or more in diameter was at the Cretaceous–Paleogene extinction event 66 million years ago.
This Is What It Would Look Like If A Huge Asteroid Hit The Earth
WEBMar 1, 2015 · According to the video's description box, these are the details: "An asteroid with a diameter of 500 km. Destination: The Pacific Ocean. The impact peels the 10 km crust off the surface....
Fridge-size asteroid detected just 2 hours before it slammed into …
WEBMar 16, 2022 · The asteroid hit Earth's atmosphere above Jan Mayen, an unpopulated volcanic island around 310 miles (500 kilometers) east of Greenland and around 370 miles (595 km) northeast of Iceland, at...
Vesta Trek - Quick Facts - NASA
WEBApproximately 1 billion years ago, an asteroid slammed into Vesta’s South Pole. The impact was almost fatal for Vesta, leaving a crater called Rheasilvia that is about 500 km across (keep in mind that Vesta itself is only 525 km across).
Vesta - NASA Science
WEBAbout twice the area of California, Vesta is the second largest object in the asteroid belt after the dwarf planet Ceres. Vesta has many unique surface features which intrigue scientists. Dawn found two colossal impact basins in Vesta’s southern hemisphere — the 310 mile (500 km) wide Rheasilvia basin, and the older 250 mi (400 km) wide ...
Dwarf planet Vesta a window to the early solar system
WEBOct 6, 2021 · Vesta is the second-largest body in the asteroid belt at 500 kilometers across. It's big enough to have evolved in the same way as rocky, terrestrial bodies like the Earth, moon and Mars. Early...
Astronomers Can See the Impact Site Where an Asteroid Crashed …
WEBMar 4, 2024 · Based on their study, the team estimated that the impact was caused by an object at least as big as Vesta, which is the second largest asteroid in the solar system, with a diameter of about 500...