When Arnon was first discovered, it was seen as a planetary-grade comet that threatened Earth, not the Earth's moon. The first discovery of the Arnon was the Jack Arnon, an American astronomer.
He said that he first discovered a comet.
2017년 4월 12일 수요일
지구의 위성
It has been 50 years since the Arnon became the second satellite of the earth.
When Arnon was first discovered, it was seen as a planetary-grade comet that threatened Earth, not the Earth's moon. The first discovery of the Arnon was the Jack Arnon, an American astronomer.
He said that he first discovered a comet.
When Arnon was first discovered, it was seen as a planetary-grade comet that threatened Earth, not the Earth's moon. The first discovery of the Arnon was the Jack Arnon, an American astronomer.
He said that he first discovered a comet.
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