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When asteroids impact Earth, they often create craters, which are bowl-shaped depressions formed by the explosive release of energy upon impact. These impacts can also lead to significant geological changes, such as shock waves, heat, and the ejection of materials into the atmosphere. In some cases, large impacts can cause mass extinctions or climate changes due to the debris and dust released.

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2mo ago

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What is the origin of large craters on earth?

Large craters on Earth are often formed by the impact of meteorites or asteroids. When a large space rock collides with Earth's surface at high velocity, it creates a crater by excavating and displacing the surrounding material. The force of the impact can lead to the formation of a circular depression with distinctive features.


When would Earth experience a meteor shower?

Well at the moment, we don't know. But the reason we don't often see asteroids around earth, is because Jupiter is help us by sucking in most of the asteroids.


How often do 1km or larger asteroids hit earth?

Fortunately not very often - because if one does hit, it would be a major catastrophe.


Can a meteor impact earth?

Yes, it happens quite often.


How many times does mars get hit by asteroids?

Mars is hit by asteroids and meteoroids quite frequently, though not as often as Earth due to its thinner atmosphere, which provides less protection. On average, Mars experiences impacts from small asteroids and meteoroids several times a year. Larger impacts, which can create craters, occur less frequently, estimated at around every few hundred thousand years for significant events. Overall, the exact frequency can vary based on the size of the objects and specific time periods.


How often does a comet or an asteroids hit earth?

Actual collisions are pretty rare. Most 'space debris' burns up in the atmosphere long before it hits the planet.


Asteroids are often called?

minor planet or planetoids


Why do people call asteroids meteors and comets space trashor debris?

People often refer to asteroids, meteors, and comets as space trash or debris because they are remnants from the formation of the solar system that are no longer part of a larger celestial body. Asteroids are rocky objects that orbit the sun, meteors are asteroids that enter Earth's atmosphere and burn up, and comets are icy bodies that release gas and dust as they approach the sun. These objects can be considered "trash" in the sense that they are leftover material floating in space.


Do asteroids have gravity, and if so, how does it compare to the gravity on Earth?

Yes, asteroids have gravity, but it is much weaker than the gravity on Earth. This is because asteroids are much smaller and less massive than Earth, so their gravitational pull is significantly lower.


Are comets or asteroids more dangerous?

While asteroids and comets have different constitutions - asteroids are mostly metals and rocks while comets consist of water-ice, dust and rock - with comets potentially being potentially less dense, comets travel much faster than asteroids. An asteroid may travel upwards of 40,000 miles per hour, a comet travels over 150,000 miles per hour.


What are rocky asteroids called?

Rocky asteroids are commonly referred to as "stony asteroids." These bodies are primarily composed of silicate minerals and metals, distinguishing them from other types of asteroids, such as carbonaceous or metallic asteroids. Stony asteroids are often found in the inner asteroid belt and are classified into different groups based on their specific mineral compositions. Examples include the S-type (silicaceous) asteroids, which are primarily made of rock and metal.


What is an asteroid call that is smaller than a couple meters wide?

Asteroids smaller than a couple of meters wide are often referred to as "meteoroids." These are small rock or metal fragments in space, typically derived from larger asteroids or comets. When they enter Earth's atmosphere and produce a visible streak of light, they are called meteors, and if they survive the journey and land on the Earth's surface, they are known as meteorites.