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  2. Hercules–Corona Borealis Great Wall - Wikipedia

    en.wikipedia.org/wiki/Hercules–Corona_Borealis...

    The Hercules–Corona Borealis Great Wall (HCB) [1] [5] or simply the Great Wall [6] is a galaxy filament that is the largest known structure in the observable universe, measuring approximately 10 billion light-years in length (the observable universe is about 93 billion light-years in diameter).

  3. Webb's First Deep Field - Wikipedia

    en.wikipedia.org/wiki/Webb's_First_Deep_Field

    Webb's First Deep Field. Webb's First Deep Field is the first operational image taken by the James Webb Space Telescope (JWST). The deep-field photograph, which covers a tiny area of sky visible from the Southern Hemisphere, is centered on SMACS 0723, a galaxy cluster in the constellation of Volans.

  4. Hubble Ultra-Deep Field - Wikipedia

    en.wikipedia.org/wiki/Hubble_Ultra-Deep_Field

    The Hubble Ultra-Deep Field (HUDF) is a deep-field image of a small region of space in the constellation Fornax, containing an estimated 10,000 galaxies.The original data for the image was collected by the Hubble Space Telescope from September 2003 to January 2004 and the first version of the image was released on March 9, 2004. [1]

  5. Outer space - Wikipedia

    en.wikipedia.org/wiki/Outer_space

    A wide field view of outer space as seen from Earth's surface at night. The interplanetary dust cloud is visible as the horizontal band of zodiacal light, including the false dawn [29] (edges) and gegenschein (center), which is visually crossed by the Milky Way. Outer space is the closest known approximation to a perfect vacuum.

  6. Wikipedia:Featured pictures/Space/Looking out - Wikipedia

    en.wikipedia.org/.../Space/Looking_out

    Animals · Artwork · Culture, entertainment, and lifestyle · Currency · Diagrams, drawings, and maps · Engineering and technology · Food and drink · Fungi · History · Natural phenomena · People · Photographic techniques, terms, and equipment · Places · Plants · Sciences · Space · Vehicles · Other lifeforms · Other

  7. Pale Blue Dot - Wikipedia

    en.wikipedia.org/wiki/Pale_Blue_Dot

    Pale Blue Dot is a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from an unprecedented distance of approximately 6 billion kilometers (3.7 billion miles, 40.5 AU), as part of that day's Family Portrait series of images of the Solar System.

  8. Portal:Outer space - Wikipedia

    en.wikipedia.org/wiki/Portal:Outer_space

    Outer space (or simply space) is the expanse that exists beyond Earth's atmosphere and between celestial bodies. It contains ultra-low levels of particle densities , constituting a near-perfect vacuum of predominantly hydrogen and helium plasma , permeated by electromagnetic radiation , cosmic rays , neutrinos , magnetic fields and dust .

  9. Kármán line - Wikipedia

    en.wikipedia.org/wiki/Kármán_line

    Earth's atmosphere photographed from the International Space Station.The orange and green line of airglow is at roughly the altitude of the Kármán line. [1]The Kármán line (or von Kármán line / v ɒ n ˈ k ɑːr m ɑː n /) [2] is a conventional definition of the edge of space.