A phenomenon in which many meteorites fall at the same time. For example, about 100,000 small meteorites fell in Pultusk, Poland on January 30, 1868, and Mosch, Hungary in 1882, and 14,000 fell in Arizona, USA on July 19, 1912. It is believed that this does not occur in the case of a meteor shower, where there is a large amount of space dust from the beginning, but rather that one large meteorite breaks up as it enters the atmosphere and falls to the ground. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
多数の隕石が一時に落下する現象。たとえば 1868年1月 30日ポーランドのプウトゥスクや,82年ハンガリーのモッシュにはおよそ 10万個の小隕石が降り,1912年7月 19日アメリカのアリゾナでは1万 4000個が降った。これは流星群のように,初めから多数の宇宙塵があるのではなく,1個の大きな隕石が大気突入と同時に破壊されて落下するものと考えられている。
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