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  2. Glossary of astronomy - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_astronomy

    A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.

  3. ʻOumuamua - Wikipedia

    en.wikipedia.org/wiki/ʻOumuamua

    [30] [31] [32] On 22 March 2023, astronomers proposed the observed acceleration was "due to the release of entrapped molecular hydrogen that formed through energetic processing of an H 2 O-rich icy body", [33] consistent with 'Oumuamua being an interstellar comet, "originating as a planetesimal relic broadly similar to solar system comets".

  4. TikToker finds clue in Interstellar that changes meaning of ...

    www.aol.com/tiktoker-finds-clue-interstellar...

    An eagle-eyed TikToker found a clue in sci-fi epic Interstellar that changes the meaning of the entire movie.. Directed by Oscar-winner Christopher Nolan, the movie explores themes as diverse as ...

  5. Interstellar (film) - Wikipedia

    en.wikipedia.org/wiki/Interstellar_(film)

    Interstellar is a 2014 epic science fiction film directed by Christopher Nolan, who co-wrote the screenplay with his brother Jonathan. It stars Matthew McConaughey , Anne Hathaway , Jessica Chastain , Bill Irwin , Ellen Burstyn , and Michael Caine .

  6. Lists of astronomical objects - Wikipedia

    en.wikipedia.org/wiki/Lists_of_astronomical_objects

    Lists of stars. List of nearest stars; List of brightest stars; List of hottest stars; List of nearest bright stars; List of most luminous stars; List of most massive stars

  7. Interstellar travel - Wikipedia

    en.wikipedia.org/wiki/Interstellar_travel

    Another way of understanding the vastness of interstellar distances is by scaling: One of the closest stars to the Sun, Alpha Centauri A (a Sun-like star that is one of two companions of Proxima Centauri), can be pictured by scaling down the Earth–Sun distance to one meter (3.28 ft). On this scale, the distance to Alpha Centauri A would be ...

  8. Interstellar object - Wikipedia

    en.wikipedia.org/wiki/Interstellar_object

    With the first discovery of an interstellar object in the Solar System, the IAU has proposed a new series of small-body designations for interstellar objects, the I numbers, similar to the comet numbering system. The Minor Planet Center will assign the numbers. Provisional designations for interstellar objects will be handled using the C/ or A ...

  9. Outer space - Wikipedia

    en.wikipedia.org/wiki/Outer_space

    The density of matter in the interstellar medium can vary considerably: the average is around 10 6 particles per m 3, [136] but cold molecular clouds can hold 10 8 –10 12 per m 3. [39] [134] A number of molecules exist in interstellar space, which can form dust particles as tiny as 0.1 μm. [137]