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  2. White dwarf - Wikipedia

    en.wikipedia.org/wiki/White_dwarf

    [185] [186] Additionally, WD 0141-675 was suspected to have a super-Jupiter with an orbital period of 33.65 days based on Gaia astrometry. This is remarkable because WD 0141-675 is polluted with metals and metal polluted white dwarfs have long been suspected to host giant planets that disturb the orbits of minor planets, causing the pollution ...

  3. Supernova - Wikipedia

    en.wikipedia.org/wiki/Supernova

    SN 1994D (bright spot on the lower left), a type Ia supernova within its host galaxy, NGC 4526. A supernova (pl.: supernovae or supernovas) is a powerful and luminous explosion of a star.

  4. 2020 in science - Wikipedia

    en.wikipedia.org/wiki/2020_in_science

    Astronomers report the discovery, for the first time, of a massive Jupiter-sized planet in close orbit around a white dwarf. The latter object, WD 1856+534, is the left-over remnant of an earlier much larger Sun-like star. [302] [303]

  5. Asteroid impact avoidance - Wikipedia

    en.wikipedia.org/wiki/Asteroid_impact_avoidance

    The NASA commitment has resulted in the funding of a number of NEO search efforts, which made considerable progress toward the 90% goal by 2008. However the 2009 discovery of several NEOs approximately 2 to 3 kilometers in diameter (e.g. 2009 CR 2, 2009 HC 82, 2009 KJ, 2009 MS and 2009 OG) demonstrated there were still large objects to be detected.

  6. Conjugated estrogens - Wikipedia

    en.wikipedia.org/wiki/Conjugated_estrogens

    Conjugated estrogens (CEs), or conjugated equine estrogens (CEEs), sold under the brand name Premarin among others, is an estrogen medication which is used in menopausal hormone therapy and for various other indications.