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Impact event - Wikipedia

en.wikipedia.org/wiki/Impact_event

An impact event is a collision between astronomical objects causing measurable effects. Impact ... When large objects impact terrestrial planets like the Earth, there can be .... Objects with a diam...

What would happen if a large object hit the Earth?

www.astronomycafe.net/qadir/q975.html

Objects 100 meters across collide with the Earth every few hundred years and deliver about 2 Megatons of TNT equivalent. A 1 kilometer-sized object impacts ...

What would happen if an asteroid 10 kilometers across hit the Earth ...

curious.astro.cornell.edu/about-us/38-our-solar-system/the-earth/impacts/51-what-would-happen-if-an-asteroid-10-kilometers-across-hit-the-earth-beginner

If an asteroid / meteorite of about 10 km in diameter hit either a) land or b) ocean, ... of the Earth's crust, creating a crater more than one hundred kilometers across, ... The last time this happened was 65 million years ago, when an asteroid struck the Earth, ... (Intermediate) · Could there be objects orbiting interior t...

Effects of an Asteroid Impact on Earth - Astronomy Notes

www.astronomynotes.com/solfluf/s5.htm

Apr 25, 2013 ... What would be the effects of an asteroid hitting the Earth? ... A 1-kilometer object has a mass = 1.31 billion tons. ... If the asteroid hits the ocean, the surrounding water returning over the the hot crater floor is vaporized .... asteroid called 2012 DA14 were potent reminders that an impact can happen any time.

Here's What Would Happen If an Earth-Sized Asteroid Hit Earth ...

motherboard.vice.com/read/heres-what-would-happen-if-an-earth-sized-asteroid-hit-earth

Jan 26, 2015 ... Here's What Would Happen If an Earth-Sized Asteroid Hit Earth ... Scientists don't expect another object of this size to pass so closely to Earth until August 7, 2027 ... the damage would be like one kilometer away from the impact site. ... Something Struck Mars Recently And Left This 13-Foot-Wide Black Mark.

Meteorites, Impacts, & Mass Extinction - Tulane University

www.tulane.edu/~sanelson/geol204/impacts.htm

Dec 1, 2014 ... As we will see the evolution of life on the Earth has likely been affected by .... When a large object impacts the surface of the Earth, the rock at the site of the ... An impact like the one that struck the Yucatan Peninsula, in Mexico about 65 .... What would happen if another such event occurred while we humans ....

What Would Happen If the Asteroid Actually Hit Earth Today?

gizmodo.com/5984469/what-would-actually-happen-if-the-2012-da14-asteroid-crashed-for-real

Feb 15, 2013 ... So what would really happen if their calculations are wrong? ... and a speed of 12.7 kilometers per second hitting Earth at a 45 degree angle. ... of a direct hit like the one described above would be very, very thin. ... According to impact calculations, a low density object like DA14 would have to be about 90 ...

Frequently Asked Questions - Near-Earth Object Program - NASA

neo.jpl.nasa.gov/faq/

With over 90% of the near-Earth objects larger than one kilometer already discovered, the ... fragments are the sources of most meteorites that have struck the Earth's surface. ... If particular asteroids can be identified as the sources for some of the .... A catastrophic cometary collision with the Earth is only likely to happen ...

What Would Happen if Asteroid 2012 DA14 Hit Earth? - Space.com

www.space.com/19741-asteroid-2012-da14-earth-impact-effects.html

Feb 12, 2013 ... ... dinosaurs — that behemoth was likely about 6 miles (10 kilometers) wide — it could ... "Should an object of that size hit Earth, it would cause a blast with the ... If asteroid 2012 DA14 were to strike the planet, it would probably behave ... (1) Easy Trick "Removes" Your Eyebags & Wrinkles (Do Th...

When Comets and Asteroids Strike Earth - Cosmic Impacts Only in ...

www.scienceclarified.com/scitech/Comets-and-Asteroids/When-Comets-and-Asteroids-Strike-Earth.html

Mining some of the near-Earth asteroids will exploit the considerable ... that mass extinctions happened long ago and that nothing similar will happen again. ... Trees and grasses were uprooted, and the Ice Age animals within a few kilometers of the ... If the same object, or one larger, had struck the ocean, it would have ...