The world's first ground-based observations of the bare nucleus of a comet nearing the end of its active life revealed that the nucleus has a diameter of 800 meters and is covered with large grains of phyllosilicate; on Earth large grains of phyllosilicate are commonly available as talcum powder. This discovery provides clues to...
Full ArticleBurnt-Out Comet Covered With Talcum Powder
Eurasia Review
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Burnt-out comet covered with talcum powder
Space Daily
Tokyo, Japan (SPX) Apr 07, 2021
The world's first ground-based observations of the bare nucleus of a comet nearing the..