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supernova    音标拼音: [s,upɚn'ovə]
n. 超新星

超新星

supernova
n 1: a star that explodes and becomes extremely luminous in the
process


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  • Supernova - Wikipedia
    Supernova SN 1994D (bright spot on the lower left), a Type Ia supernova within its host galaxy, NGC 4526 A supernova (pl : supernovae) is a powerful and luminous explosion of a star A supernova occurs during the last evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion
  • What Is a Supernova? | NASA Space Place – NASA Science for Kids
    A supernova is the biggest explosion that humans have ever seen Each blast is the extremely bright, super-powerful explosion of a star An illustration of one of the brightest and most energetic supernova explosions ever recorded Image credit: NASA CXC M Weiss What causes a supernova? One type of supernova is caused by the “last hurrah” of a dying massive star This happens when a star
  • Supernova | Definition, Types, Facts | Britannica
    Supernova, any of a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level When a star ‘goes supernova,’ considerable amounts of matter may be blasted into space with such a burst of energy as to enable the star to outshine its entire home galaxy
  • Latest Supernovae
    Facebook Supernova Enthusiasts Group The Active supernovae pageis a version of this page which is designed to be easier to read Archives If anybody knows who some of the "unknown" discoverers are, please Does anybody know of a grant that I could apply to for supporting this page? I probably spend about 2 hours a night working on it
  • What Is a Supernova? - Space
    Types of supernovas A star can go supernova in one of two ways: Type I supernova: A star accumulates matter from a nearby neighbor until a runaway nuclear reaction ignites
  • 15 Facts About Supernovas: The Universe’s Biggest Explosions
    During a supernova, temperatures and pressures become so extreme that nuclear reactions produce elements heavier than iron This process, known as rapid neutron capture or the r-process, builds atomic nuclei in fractions of a second Without supernovas, the universe would contain mostly hydrogen and helium
  • Astronomy Astrophysics 101: Supernova - SciTechDaily
    What Is a Supernova? Supernovae are dramatic explosions that take place during the final stages of the death of a supermassive star Most stages of astronomical evolution happen over timescales far longer than a human lifetime, and even far longer than humanity’s entire history Supernova explos
  • James Webb Telescope Finds Earliest Supernova Ever: GRB 250314A (2025)
    James Webb Space Telescope captures GRB 250314A – the earliest supernova ever detected, exploding when the Universe was only 730 million years old The faint red dot (zoomed inset) is the supernova inside its distant host galaxy at redshift z≈7 3
  • DOE Explains. . . Supernovae | Department of Energy
    DOE Explains Supernovae Researchers are using cutting-edge computers to build models of supernovae to understand these huge explosions This image is a computer simulation of a supernova’s assumed heat signature, with projections shown at left, right, and bottom
  • NASA’s Chandra Observatory spots possible supernova remnant in the . . .
    NASA’s Chandra X-Ray Observatory has captured a dramatic scene about 26,000 light-years away from Earth Scientists suspect it could be a supernova remnant, the violent shock wave and cloud of





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