Impact Crater facts

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In 1953, an amateur astronomer saw and photographed a bright white light on the lunar surface. He believed it was a rare asteroid impact, but professional astronomers dismissed and disputed "Stuart's Event" for 50 years. In 2003, NASA looked for and found the crater.

how impact craters are formed?

In 2007 a meteorite impacted near the village Carancas (Peru) leaving a 14 m crater and knocked a guy from his bicycle. Later, villagers and livestock got ill from poisonous material vaporizing from its surface.

What role do impact craters play on venus?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is the largest impact crater on earth. Here are 50 of the best facts about Impact Crater Arizona and Impact Crater Mexico I managed to collect.

what causes a central peak to form in an impact crater?

A German town was unknowingly built in a meteorite impact crater, and it's stone buildings contain thousands of tons of micro-diamonds.
The Italian government constructed a dam in 1959 despite multiple warnings of the instability of the region. In 1963, a landslide into the reservoir behind the dam triggered a tsunami over 800 ft high that breached the dam and killed nearly 2000 people, leaving a 200 ft deep impact crater.
There are two impact craters, each about 20 miles in diameter, side-by-side in Canada. Despite being next to each other, one struck 465 million years ago, the other 286 million years ago.
Sudbury, Ontario is located within the second largest known crater on Earth, formed by an impact larger than the asteroid that made the dinosaurs go extinct
Osmium is found in a few naturally occurring geological formations, including impact craters.
Mercury's surface is covered in craters due to the impact of asteroids and comets. Mercury does not have the ability to heal as many other planets are able to do via geological processes.
Phobos appears that it may be a rubble pile that is held together by a thin crust. There are long grooves on the surface that some believe to be early signs of the moon breaking apart due to tidal stresses caused by Mars" gravity. Others believe that the grooves could be remnants of the impact that caused the crater Stickney and that the grooves suggest loose material slid down inside the crater walls over time.
The large impact crater that dominates Phobos, Stickney, stretches nearly 6 miles (9.5 km) and covers most of its surface. The crater is so large that it likely came close to shattering the small moon. Hall named the crater after his dedicated wife, Chloe Angeline Stickney.
40% of Ganymede's surface is covered with highly cratered dark regions that are believed to be from heavy impact by comets and asteroids that date back to around 4 billion years ago.
Titan is mainly composed of rocky core, surrounded by layers of water ice. It is likely the core is still hot, with a layer of liquid water and ammonia. Its surface has liquid hydrocarbon lakes and the vents of cryovolcanoes, distributed among areas of dark and bright terrain with few impact craters. Also, tectonic forces, which is movement of the ground due to pressures beneath, appear to exist on Titan.

impact crater facts — What is the significance of the rock breccia in an impact crater?

Why are there no impact craters on the surface of io?

You can easily fact check why is the surface of mercury covered with meteor impact craters by examining the linked well-known sources.

There are actually several craters dated to the extinction of the dinosaurs. In addition to 180 km Chicxulub crater, there is the 24 km Boltysh crater, the 20 km Silverpit crater, and the controversial and much larger 600 km Shiva crater, suggesting a multi-impact disaster.

The Manson Impact Crater in Iowa was once thought to be the impact that killed the dinosaurs, until it was proven to be too old at ~74 million years ago. - source

Like osmium, iridium concentrations are highest in a few known geological structures, most notably impact craters from meteorites.

In 1958 an atomic bomb mistakenly fell out of an Air Force B-47 jet while it was flying over Mars Bluff, SC. Upon impact, the bombs conventional explosives detonated creating a 70 foot crater and destroying a home.

Meteorite impact crater "Meteor Crater" in Arizona was named after the nearby post office named Meteor. - source

When was the manson impact crater discovered?

René-Levasseur Island,The worlds second largest lake island and largest artificial island, is set in the basin of earths 4th largest meteorite impact crater.

How impact craters?

Mendeleev is the name of a large lunar impact crater on the far side of the moon

The mysterious Tunguska event, a large explosion in Siberia, Russia that flattened 770 sq. miles of forest. Despite having ~1000x the energy of the atomic bomb dropped on Hiroshima, no impact crater was ever found.

There are three craters in the Archipelago Sea. The Lumparn in Aland is an impact crater while the other two are intrusions, including the Ava intrusion and one in Fjalskar.

There are two featured impact craters to be found on Callisto. The largest impact basin is Valhalla with a diameter of 600 kilometers and the second is Asgard which measures about 1600 kilometers in diameter.

The Shiva crater, a proposed asteroid impact site off the west coast of India over 500km across that if confirmed, would be the largest known impact site on earth, and a possible cause for the extinction of the dinosaurs and unusual northward drift of India

When was impact craters formed?

The thick atmosphere also protects Venus from meteors as they tend to disintegrate before they can pass through to the planet's surface. This means that Venus has fewer crater impacts than on the other inner planets.

The largest visible impact crater in the Solar System is Hellas Planitia on Mars, a giant depression with a floor over 7 kilometers (4.3 miles) below the Martian surface, large enough to fit every Western European country inside it.

There is a five mile wide crater impact from a meteorite in Elmore County. It is the Wetumpka Crater site and considered to be "Alabama's greatest natural disaster, believed to have occurred approximately 80 million years ago.

There are no large mountains or volcanoes. The impact craters and multi-ring structures, along with scarps, deposits and fractures, are the only large features that can be found on the surface. The diameters of the impact craters can range from 0.1 kilometers to over 100 kilometers.

Nördlingen, a town settled in the impact crater of a meteorite has buildings encrusted with tiny diamonds

How impact craters are created?

Resurfacing of the Moon in large areas has taken place due to extensive basaltic flows which may have been triggered by major impact events. The ages of the areas can be measured by observing the density of impact craters. Older flows will have more craters.

The asteroid impact that created Meteor Crater in Arizona hit with up to 20 megatons of energy (Hiroshima was 15 kilotons), which sent out catastrophic winds at roughly 900 mph (1,500 km/h). This debris-hurling shock wave would have killed any human-sized animals within about 4 miles (6 km).

The tallest mountain in our solar system is not on a planet. It is located on a large asteroid named Vesta. This asteroid is home to an impact crater that covers 95% of its diameter, and the 22km high mountain stands in the middle of this crater.

All of the inner planets have impact craters from the collision of space objects, and volcanoes and other tectonic surface features.

4 Vesta" is a minor planet located in the asteroid belt. It accounts for 9% of the total mass in the asteroid belt and has the tallest mountain in the solar system. Its Rheasilvia impact crater is 19 km (11.8mi) deep with a central peak 23km (14.3 mi) above the surface of the crater.

A meteor the width of 3 or 4 football fields impacted near Calgary, Canada approximately 70 million years ago. It left a crater 6 miles wide, incinerated everything for hundreds of miles, & changed global weather patterns for decades. It is buried so deep that it wasn't discovered until 2009.

Triton has an icy surface with geysers and craters. It is also an infamous rugged terrain known as a cantaloupe terrain due to its resemblance to the skin of a cantaloupe and likely covers much of Triton's western half. It contains depressions 30-40 kilometers in diameter which are probably not impact craters because they have smooth curves and all are a similar size. There are very few craters visible on the surface which indicates that Triton is very young and mostly likely highly active, with regions varying from an estimated 50 million years old to 6 million years old.

600,000 year old Lonar crater lake in India is the only hyper velocity impact crater in the world, it has a mean diameter of 1.2 kilometres (3,900 ft), is about 137 metres (449 ft) below the crater rim, the meteor crater rim is about 1.8 kilometres (5,900 ft) in diameter.

The largest crater caused by impact on Mercury is the Caloris Basin. This crater is 1,550 km in diameter and was discovered by the Mariner 10 probe in 1974.

Had the Chicxulub crater impact caused a 330 ft tall megatsunami. Had it occurred in deep sea the megatsunami would have been 2.9 miles tall.

The German city Nördlingen rests in a meteorite crater, and because of the impact, diamonds were strewn throughout the surrounding area.

In 1998, three scientists hypothesized that 200-million years ago, the Earth captured a fragmented asteroid or comet which decayed and came crashing to Earth in a multiple impact event that left craters in North Dakota, Manitoba, Quebec, France, and Ukraine

Craters are almost always round rather than skewed, despite their impact angle. Objects tend to vaporize on impact, leaving an impression more like an exploding bomb and less like a rock being tossed into a sandbox.

Mazomba is Triton's largest known impact crater that was observed by Voyager 2 and is about 27 kilometers in diameter. Larger craters were observed; however, they are generally thought to be volcanic in nature.

The town of Middlesboro Kentucky is located inside a 300 million year old meteorite impact crater.

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