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It's called ejecta
These fine radial streaks are simply refered to as rays. They are formed from the ejecta from the explosion, from the Moon being hit at high speed. You may see Related Links for more information on crater rays.
They are called rays.
Ejecta!
An object impacting a terrestrial surface will tend to throw out ejecta pretty much evenly in all directions. It's energy isn't restricted in any direction, so it goes in every direction (a circular pattern).
I think it depends on how high it fell from, and how large it is.
The name of the material that shaters or brakes during impact is called sediment.
It's called ejecta
These fine radial streaks are simply refered to as rays. They are formed from the ejecta from the explosion, from the Moon being hit at high speed. You may see Related Links for more information on crater rays.
The general term for the different types of material that a volcano spews out is ejecta.
They are called rays.
They are called rays.
Ejecta!
The ray systems correspond to the craters produced at the same time. Some ray systems on the Moon are from older craters that have since been overlaid by subsequent impacts in the same area.
Ejecta
An object impacting a terrestrial surface will tend to throw out ejecta pretty much evenly in all directions. It's energy isn't restricted in any direction, so it goes in every direction (a circular pattern).
Maybe, some scientists have suggested that life has once formed on Mars, then an impact flew ejecta (with microbes inside) into space. The ejecta then impacted Earth and started life here. This theory is called panspermia.