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In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a medium, but is characterized by an abrupt, nearly discontinuous, change in pressure , temperature , and ...
As the meteor enters Earth’s atmosphere and reaches lower altitudes, it can create a shock wave. [2] The shock wave is impacted by what the meteor is made of, temperature, and pressure. [1] Because the meteors need to have a large size and mass, there is only a small percentage of meteors that can create these shock waves. [2]
Meteorite shock stage is a measure of the degree of fracturing of the matrix of a common chondrite meteorite. [1] Impacts on the parent body of a meteoroid can produce very large pressures. These pressures heat, melt and deform the rocks.
Meteorites might look like boring bits of rock – but each one has a fascinating story.
A "meteorite fall", also called an "observed fall", is a meteorite collected after its arrival was observed by people or automated devices. Any other meteorite is called a "meteorite find". [ 43 ] [ 44 ] There are more than 1,100 documented falls listed in widely used databases, [ 45 ] [ 46 ] [ 47 ] most of which have specimens in modern ...
Scientists believe they can find a meteor blast in Earth’s history strong enough to change the climate and, as a result, the animals that lived on Earth. Evidence may exist for a comet shockwave ...
Shock waves are common in astrophysical environments. [1]Because of the low ambient density, most astronomical shocks are collisionless.This means that the shocks are not formed by two-body Coulomb collisions, since the mean free path for these collisions is too large, often exceeding the size of the system.
What a meteor is made out of is not the only factor that determines the color that it appears. The speed at which the meteor enters the Earth's atmosphere can also affect the color.