Nor could any lost civilization of our own world have built that machine, for the thickness of the meteoric dust on the plateau has enabled us to measure its age.

Some He is being added by meteoric dust, primarily collecting on the bottom of oceans (although due to subduction, all oceanic tectonic plates are younger than continental plates).

The ringwall mountains looked old and weary, slumped smooth from eons of being sandpapered by the constant infall of meteoric dust.

Trace amounts of meteoric dust and variable amounts of volcanic ash occur within pelagic sediments.

"The screen holds in air and heat, and it shields against meteoric dust, even good-sized meteors."

The left-over debris is called meteoric dust or just meteor dust.

My father would pulverize your toy nation to meteoric dust.

Power will be temporarily reduced for some satellite systems to lessen the chance of electrical problems caused by meteoric dust, he said.

It is ordinary water ice, the same as on the Earth, only its surface is sprinkled with meteoric dust and fragments of rock and iron.

There had originally been air here, but now they found most of it was gone, thinned out from infinitely tiny leaks in the outer shell caused by the constant bombardment of microscopic bits of meteoric dust.