Hubble Showcases Crab Nebula’s ‘Beating Heart’

Nearly a thousand years ago, a “guest star” appeared in the sky, shining almost as brightly as the moon and six times more vibrant than Venus. Chinese, Japanese, Arabic and possibly Native American astronomers recorded the event in 1054, according to … Discuss

Source: The Free Dictionary

Leave a Reply

Your email address will not be published. Required fields are marked *