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micrometeor

n. a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere [syn: micrometeorite, micrometeoroid]

Usage examples of "micrometeor".

This is eroded and, without an atmosphere here, that means exposure to micrometeor bombardment over many years.

The spacecraft was well above the atmosphere and a micrometeor impact would not have been as catastrophic.

It was big and chunky and battered, looking as if some large component of an orbital fabrication plant had drifted out this way by accident, acquiring wear and patches and micrometeor impacts along the way.

These bobbins are kept busy after this, searching out damage caused by micrometeors and space debris and repairing it.

Nevertheless, space-adapted soldiers have, as part of their adaptation kit, an isotropic coating, which generally prevents rapid depressurization in space due to micrometeors and limits the possibilities of any shrapnel attack upon incoming paratroopers until they enter the atmosphere.

Nevertheless, space-adapted soldiers have, as part of their adaptation kit, an isotropic coating which generally prevents rapid depressurization in space due to micrometeors, and limits the possibilities of any shrapnel attack upon incoming paratroopers until they enter the atmosphere.

On the Moon, where the surface is pelted with micrometeors and bathed in hard radiation, prestige and expense increase with your distance downward.

The Moon's gray rocks, churned by eons of infalling micrometeors and whipped into a frozen froth, had an unfinished look about them, as if somebody had been blacktopping the place but stopped before he could apply the final smoothing touches.

The interval of many days between actually left little to do, except for making astronomical observations, checking on the performance of the stellarators, setting a watch against the damage caused by meteors and micrometeors, and following the ordinary procedures of meals and sleep periods.