Web Results

en.wikipedia.org/wiki/List_of_impact_craters_on_Earth

This list of impact craters on Earth contains a selection of the 190 confirmed craters given in the Earth Impact Database. To keep the lists manageable, only the largest craters within a time period are included. The complete list is divided into separate articles by geographical region.

en.wikipedia.org/wiki/Impact_event

Due to Earth's escape velocity, the minimum impact velocity is 11 km/s with asteroid impacts averaging around 17 km/s on the Earth. The most probable impact angle is 45 degrees. Impact conditions such as asteroid size and speed, but also density and impact angle determine the kinetic energy released in an impact event.

www.nationalgeographic.com/news/2013/2/130214-biggest-asteroid-impacts...

Earth's craters are enduring testaments to direct asteroid hits. And though millions—in some cases billions—of years of erosion have made it difficult to determine the exact size of the ...

www.livescience.com/45126-biggest-impact-crater-earth-countdown.html

Here on Earth, flying space debris triggered mass extinctions, but the same deadly asteroids might also have delivered the seeds of life soon after Earth was born. The effects of asteroid impacts ...

www.newscientist.com/article/2127788-earths-greatest-hits-six-of-the-biggest...

Earth’s greatest hits: Six of the biggest meteorites in history. From the mysterious Tunguska event to the fossilised Morokweng space rock, when whopper meteorites come along they make a big impact

www.iop.org/resources/topic/archive/meteor/index.html

Meteor and asteroid impacts. The first Asteroid Day was on 30 June 2015. It is now held annually as part of a movement to raise awareness of the threat from asteroids and how we can protect ourselves.

www.answers.com/Q/When_was_the_last_asteroid_to_hit_earth

The last "major" asteroid impact that hit Earth was about 65 million years ago. It was the asteroid that wiped out the dinosaurs. The last "notable" asteroid that hit earth was in 1908 in Tunguska ...

everseenitem.blogspot.com/2012/11/major-asteroid-impacts-on-earth.html

Anyway, at exactly 7:14 on June 30 th, the shrapnel of an asteroid that broke up in the atmosphere made its way to Earth. The size of this meteorite is disputed, but scientists agree that it had to be dozens of feet in diameter. Fortunately for humanity, the meteorite also blew up right before impact.

www.youtube.com/watch?v=sUnDwn0fN3g

Top 10 Biggest Meteor Strikes in History Our beloved blue planet gets pelted with debris from space all the time but, since most of it burns up or break apart in the atmosphere, it's usually not a ...

www.purdue.edu/impactearth

Impact: Earth! Home. Home; Famous Craters; Documentation; Glossary . Impact: Earth! written by Gareth Collins, H. Jay Melosh and Robert Marcus Developed by ITaP for Purdue University. View the text-only version. Purdue University, West Lafayette, IN 47907 USA, (765) 494-4600 ...