micrometeoroid


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micrometeoroid

[¦mī·krō′mē·dē·ə‚rȯid]
(astronomy)
A very small meteoroid with diameter generally less than a millimeter.
References in periodicals archive ?
Previous testing [1, 2] had already demonstrated that such sensors might be used to detect and locate micrometeoroid and orbital debris (MMOD) impact events on spacecraft.
Thermal Micrometeoroid Garment works like a thermos to protect astronauts from the sun's rays.
html -- Apollo A6L Prototype Spacesuit Micrometeoroid Jacket and Pants $7500 The A6L was the prototype spacesuit that preceded the A7L used in the Apollo program.
We suspected that it may have been a micrometeoroid strike, but without a closer look, we couldnt conclusively determine what had happened to create this marking.
On this flight the shuttle will bring the Alpha Magnetic Spectrometer (AMS) and spare parts including two S-band communications antennas, a high-pressure gas tank, spare parts for the International Space Station's robotic arm and micrometeoroid debris shields.
Thales Alenia Space, a core team member along with Airbus Defence and Space, will develop and supply critical service module systems for the first flight unit, including structure & micrometeoroid protection, thermal control and consumable storage and distribution.
These include tiny jogs in the spacecraft's sky-scan rate due to micrometeoroid impacts (80 of them during the 31/2-year mission), and micron-scale changes in its optical geometry each time the craft dipped into Earth's shadow and reemerged into warm sunlight.
During the 16-day STS-134 mission the astronauts from Endeavour will do four spacewalks and also install spare parts and micrometeoroid shields to the Space Station.
As result, when the tile surface gets hit, whether by a micrometeoroid or shuttle debris, it cracks or chips.
Planetary scientists have predicted that asteroid colors should evolve as the rocky objects' surfaces are altered by the solar wind and by micrometeoroid impacts.
The scientists believe that the crater -- roughly 100 micrometers in diameter -- formed when a chondritic micrometeoroid struck the craft at high velocity, leaving a dent in an aluminum panel near its leading edge.
They succumb to extreme heat and cold, micrometeoroid impacts, or exposure to harsh radiation--or they reenter the atmosphere and burn up.