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2023年9月9日
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Comet Nishimura Grows

Credit & Copyright: Peter Kennett

apod.nasa.gov/apod/ap230909.ht

https://apod.nasa.gov/apod/ap230909.html
A different astronomy and space science related image is featured each day, along with a brief explanation.
A comet is shown with its green coma on the bottom right and a long and structured ion tail flowing diagonally across the image toward the top left.
2023年9月9日