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  2. History of supernova observation - Wikipedia

    en.wikipedia.org/wiki/History_of_supernova...

    At its peak, the luminosity of SN 1054 may have been four times as bright as Venus, and it remained visible in daylight for 23 days and was visible in the night sky for 653 days. [16] [17] There are fewer records of supernova SN 1181, which occurred in the constellation Cassiopeia just over a century after SN 1054. It was noted by Chinese and ...

  3. Rare nova could be visible on Earth 'any day now,' NASA ... - AOL

    www.aol.com/rare-nova-could-visible-earth...

    A nova, a rare astronomical event, could be visible soon. It won't last long, and it won't occur again for several decades. How to see it in 2024.

  4. Unprecedented image may reveal impending supernova that could ...

    www.aol.com/news/first-close-image-behemoth...

    Astronomers have taken the first close-up image of a star beyond our galaxy, and it’s a “monster star” surrounded by a cocoon as it slowly dies.

  5. Once-in-a-lifetime nova will appear in Earth's sky ... - AOL

    www.aol.com/news/once-lifetime-nova-appear-earth...

    A rare nova explosion will soon be visible in the Earth’s nighttime sky, according to officials at NASA. The event, which could occur anytime between now and September, is creating a buzz within ...

  6. List of supernovae - Wikipedia

    en.wikipedia.org/wiki/List_of_supernovae

    SN 1054 remnant (Crab Nebula)A supernova is an event in which a star destroys itself in an explosion which can briefly become as luminous as an entire galaxy.This list of supernovae of historical significance includes events that were observed prior to the development of photography, and individual events that have been the subject of a scientific paper that contributed to supernova theory.

  7. SN 1006 - Wikipedia

    en.wikipedia.org/wiki/SN_1006

    SN 1006 was a supernova that is likely the brightest observed stellar event in recorded history, reaching an estimated −7.5 visual magnitude, [3] and exceeding roughly sixteen times the brightness of Venus.

  8. SN 2023ixf - Wikipedia

    en.wikipedia.org/wiki/SN_2023ixf

    The supernova was about 21 million light-years from Earth and is expected to have left behind either a neutron star or black hole, based on current stellar evolution models. The supernova is located near a prominent HII region, NGC 5461, in an outer spiral arm of the bright galaxy. [3] By 22 May 2023, SN 2023ixf had brightened to about ...

  9. SN 2014J - Wikipedia

    en.wikipedia.org/wiki/SN_2014J

    The last supernova that was unambiguously closer to Earth than SN 2014J was SN 2004dj, a type II-P supernova in the galaxy NGC 2403, 8 million light-years from Earth. SN 1993J was a type IIb supernova at almost the same distance as SN 2014J, because it was located in Messier 81 , which together with Messier 82 and NGC 3077 forms the core of the ...