dust avalanche

dust avalanche

[′dəst ‚av·ə‚lanch]
(geology)
An avalanche of dry, loose snow.
References in periodicals archive ?
People often calculate the percentage of stars that have a large amount of dust to get a reasonable estimate of the percentage of stars with planetary systems, but if the dust avalanche model is correct, we cannot do that anymore.
Washington, Dec 17 (ANI): Dust avalanches around impact craters on Mars may be the result of the shock wave preceding the actual impact, a new study has claimed.
The authors interpret the thousands of downhill-trending dark streaks on the flanks of ridges covering the area as dust avalanches caused by the impact.