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  2. SMSS J215728.21-360215.1 - Wikipedia

    en.wikipedia.org/wiki/SMSS_J215728.21-360215.1

    SMSS J215728.21-360215.1, commonly known as J2157-3602, is one of the fastest growing black holes and one of the most powerful quasars known to exist as of 2021.The quasar is located at redshift 4.75, [1] corresponding to a comoving distance of 2.5 × 10 10 ly from Earth and to a light-travel distance of 1.25 × 10 10 ly.

  3. Kola Superdeep Borehole - Wikipedia

    en.wikipedia.org/wiki/Kola_Superdeep_Borehole

    The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]

  4. M60-UCD1 - Wikipedia

    en.wikipedia.org/wiki/M60-UCD1

    Artist's concept of supermassive black hole within M60-UCD1. [5]M60-UCD1's dynamical mass is 200 ± 30 million solar masses (M ☉). [1] Colours and lack of colour gradients indicate a uniform stellar population about 14.5 ± 0.5 billion years old (indistinguishable from the age of the Universe).

  5. What's inside the world's deepest hole?

    www.aol.com/news/whats-inside-worlds-deepest...

    As the race in space was winding down, soviet scientists turned inwards. You'd never guess that this is the site of one of their great achievements. This hard-to-find rusty cap in the ruins of a ...

  6. Barnard 68 - Wikipedia

    en.wikipedia.org/wiki/Barnard_68

    Barnard 68 is a molecular cloud, dark absorption nebula or Bok globule, towards the southern constellation Ophiuchus and well within the Milky Way galaxy at a distance of about 125 parsecs (407 lightyears). [2]

  7. ‘Blue hole’ is largest ever discovered at 1.3K feet deep ...

    www.aol.com/blue-hole-largest-ever-discovered...

    In 2012, scientists exploring blue holes in the Bahamas discovered bacteria deep in the caves where no other life existed, potentially filling the knowledge “gap” on what types of lifeforms ...

  8. Holmberg 15A - Wikipedia

    en.wikipedia.org/wiki/Holmberg_15A

    Holmberg 15A (abbreviated to Holm 15A) is a supergiant elliptical galaxy and the central dominant galaxy of the Abell 85 galaxy cluster in the constellation Cetus, about 700 million light-years from Earth. [1]

  9. Astronomers find what may be the universe's brightest object ...

    www.aol.com/news/astronomers-may-universes...

    Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a sun a day. The black hole ...