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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. Fine Guidance Sensor (HST) - Wikipedia

    en.wikipedia.org/wiki/Fine_Guidance_Sensor_(HST)

    The smallest Kuiper belt object (KBO) yet detected at that time was discovered in 2009 by poring over data from the Hubble Space Telescope's fine guidance sensors. [12] They detected a transit of an object against a distant star, which, based on the duration and amount of dimming, was calculated to be a KBO about 1,000 meters (3,200 ft) in diameter. [12]

  4. Northern lights forecast for northern US, Midwest this week ...

    www.aol.com/northern-lights-forecast-northern-us...

    The aurora is expected to be bright and visible in multiple northern U.S. states Oct. 3 through Oct. 5 as well as from the lower Midwest to Oregon.

  5. Wide Field Camera 3 - Wikipedia

    en.wikipedia.org/wiki/Wide_Field_Camera_3

    The Wide Field Camera 3 (WFC3) is the Hubble Space Telescope's last and most technologically advanced instrument to take images in the visible spectrum. It was installed as a replacement for the Wide Field and Planetary Camera 2 during the first spacewalk of Space Shuttle mission STS-125 (Hubble Space Telescope Servicing Mission 4) on May 14, 2009.

  6. Auroras illuminate night skies around the world, expected to ...

    www.aol.com/news/auroras-illuminate-night-sky...

    The northern lights appear in the sky when charged particles spew from the sun during solar storms, making colorful light displays when clouds of those particles collide with Earth's magnetic ...

  7. 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.

  8. 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 ...

  9. 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 ...