"Cosmic Immigrants": Daytime Star Seen In 1604 May Be An "Alien Type Ia Supernova"
"Cosmic Immigrants": Daytime Star Seen In 1604 May Be An "Alien Type Ia Supernova"An explosion seen in the cosmos in the early 1600s may actually be an "Alien Type Ia supernova", according to a new paper.In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and...
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