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    1. Home
    2. Nature
    3. Cataclysmic variable star
    4. Nova
    5. Hydrogen shell detected around Nova Persei 1901 may be a planetary nebula
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    Phys.org
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     Mar 23
    Hydrogen shell detected around Nova Persei 1901 may be a planetary nebula

    Hydrogen shell detected around Nova Persei 1901 may be a planetary nebula:

    Using NASA's SPHEREx space telescope, astronomers have observed remnants of the ...

    phys.org/news/2026-03-hydrogen-shell-nova-persei-planetary.html
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    Nova
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    #nova-651f7d5585baf
    cataclysmic nuclear explosion in a white dwarf star
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    Unix shell
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    #unix-shell
    command-line interpreter for Unix operating system
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    Dihydrogen
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    primary form in which hydrogen is found
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