In what year was the supernova that created the Crab Nebula visible from Earth?

Prepare for the Science Olympiad Reach for the Stars Test. Focus on flashcards and multiple choice questions, each offering hints and explanations. Master your astronomy knowledge!

The supernova that created the Crab Nebula was recorded as having occurred in the year 1054. This event was notable for its brightness and visibility during the day for several weeks, and it was documented by astronomers in various cultures, including Chinese, Arab, and Native American records. The remnants of the explosion, known as the Crab Nebula, are still observable today as an expanding cloud of gas and dust, along with a pulsar at its center, which is the remnant of the original star.

The significance of the Crab Nebula lies not only in its historical observation but also in its role in providing insights into stellar evolution and the life cycle of massive stars. The other years listed in the options refer to different notable supernova events or periods, but none correspond to the documented occurrence of the supernova that formed the Crab Nebula.

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