September 9, 2023
Consider this: the iron in your blood was forged in a supernova explosion billions of years ago.
Comet Nishimura Grows
Birthday · September 9, 2023
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APOD published September 9, 2023. Credit: Peter Kennett. A publication-date match, not a photo taken on your date. Independent of NASA.
Comet Nishimura is growing. More precisely, the tails C/2023 P1 (Nishimura) are growing as it nears the Sun. Discovered only last month, the comet is already near naked eye brightness as it now moves inside the Earth's orbit. The comet will be nearest the Earth next week, but nearest the Sun the week after -- on September 17. Speculation holds that expelled ice and dust from Comet Nishimura's last visit to the inner Solar System may have created the Sigma Hydrids meteor shower which peaks yearly in December. If so, then this meteor shower may become more active, refreshed with new comet debris. Pictured, Comet Nishimura was captured from Edgewood, New Mexico, USA four nights ago, showing a long ion tail structured by interactions with the Sun's wind. Look for this comet near your eastern horizon just before sunrise for the next few mornings, but very near your western horizon just after sunset next week -- as its coma continues to brighten and its tails continue to grow. Gallery: Selected Comet Nishimura images submitted to APOD
Image credit: Peter Kennett