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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...

What would happen if an impact caused Earth to stop rotating ...

curious.astro.cornell.edu/about-us/38-our-solar-system/the-earth/impacts/53-what-would-happen-if-an-impact-caused-earth-to-stop-rotating-beginner

Jul 18, 2015 ... If the Earth was struck by an object which caused it to stop rotating or ... 1. If the Earth's rotation INSTANTLY stopped, everything not fixed to ... (Beginner) · What would happen if an asteroid 10 kilometers across hit the Earth?

What would be the environmental effects if the earth collided with a ...

www.scientificamerican.com/article/what-would-be-the-environ/

If the comet is 10 kilometers across or larger (that is, if the impact carries an energy of ... so after a collision with a one-kilometer object; a 10-kilometer object might block out the ... Animals that happen to live underground, where roots and other food ... "Scientists are still divided on whether the object that struck the e...

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? ... centimeter 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 ....

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

motherboard.vice.com/en_us/article/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 ... expect another object of this size to pass so closely to Earth until August 7, 2027. ... what the damage would be like one kilometer away from the impact site.

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.

Diamond - What If? - xkcd

what-if.xkcd.com/20/

If we drop the meteor from the edge of space, 100 kilometers up, it'll punch ... This is just about the fastest that anything can hit the Earth if it's orbiting the Sun. ... going, if it hits something that's about the same density, it will only go about one ... simulation tool can help answer some questions about what happe...

The Probability of Collisions with Earth - JPL - NASA

www2.jpl.nasa.gov/sl9/back2.html

On Earth we see very few because geological processes such as weathering and ... however, and the shock wave it creates can do considerable damage even if nothing but ... The fragments covered an area of about 1 x 2 kilometers (0.6 x 1.2 miles), within ... This sort of thing happens about once every million years or so.