| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
Formation mechanism of chondrules, which are included in most of meteorites, has not been understood clearly. To elucidate the formation process, we approach to the formation process of cosmic spherules that are silicate small particles similar to chondrules. First, we measure the shape, chemical composition, and texture of each cosmic spherule. We find a clear correlation among them. Also, we find that the correlation can be understood quantitatively using a theory of the motion of the particle in the Earth atmosphere and the heating/cooling to the particle. Based on these understandings, we expect new studies on the formation mechanism of chondrules should be developed.
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