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  2. Visible-light astronomy - Wikipedia

    en.wikipedia.org/wiki/Visible-light_astronomy

    Visible-light astronomy has existed as long as people have been looking up at the night sky, although it has since improved in its observational capabilities since the invention of the telescope, which is commonly credited to Hans Lippershey, a German-Dutch spectacle-maker, [1] although Galileo played a large role in the development and ...

  3. Great Observatories program - Wikipedia

    en.wikipedia.org/wiki/Great_Observatories_program

    Hubble can also observe at ultraviolet wavelengths which do not penetrate the atmosphere. Each observatory was designed to push the state of technology in its region of the electromagnetic spectrum. Compton was much larger than any gamma-ray instruments flown on the previous HEAO missions, opening entirely new areas of observation.

  4. Caldwell catalogue - Wikipedia

    en.wikipedia.org/wiki/Caldwell_catalogue

    Caldwell advocates, however, see the catalogue as a useful list of some of the brightest and best known non-Messier deep-sky objects. Thus, advocates dismiss any "controversy" as being fabricated by older amateurs simply not able or willing to memorize the new designations despite every telescope database using the Caldwell IDs as the primary ...

  5. Webb telescope confirms the universe is expanding at an ...

    www.aol.com/news/webb-telescope-confirms...

    The Hubble and Webb data give a value averaging about 73, with a range of about 70-76. The Big Bang event 13-14 billion years ago initiated the universe, and it has been expanding ever since.

  6. Hubble vs. Webb: See side-by-side comparisons of the iconic ...

    www.aol.com/news/photos-webb-telescope-pictures...

    The James Webb Space Telescope’s first images revealed new details of the cosmos, peering farther into space than the Hubble Space Telescope. Hubble vs. Webb: See side-by-side comparisons of the ...

  7. Hubble Space Telescope - Wikipedia

    en.wikipedia.org/wiki/Hubble_Space_Telescope

    Hubble completed 30 years of operation in April 2020 [1] and is predicted to last until 2030 to 2040. [4] Hubble is the visible light telescope in NASA's Great Observatories program; other parts of the spectrum are covered by the Compton Gamma Ray Observatory, the Chandra X-ray Observatory, and the Spitzer Space Telescope (which covers the ...

  8. Observable universe - Wikipedia

    en.wikipedia.org/wiki/Observable_universe

    Hubble Ultra-Deep Field image of a region of the observable universe (equivalent sky area size shown in bottom left corner), near the constellation Fornax. Each spot is a galaxy, consisting of billions of stars. The light from the smallest, most redshifted galaxies originated nearly 13.8 billion years ago.

  9. Will there be another chance to see the northern lights in MA ...

    www.aol.com/another-chance-see-northern-lights...

    The northern lights made a rare appearance in the Massachusetts sky last night, treating sky-gazers to a colorful display that usually only appears further north.. The unusual showing was due to a ...