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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. Mikulski Archive for Space Telescopes - Wikipedia

    en.wikipedia.org/wiki/Mikulski_Archive_for_Space...

    The data was created using neural networks and combines data from the Sloan Digital Sky Survey and others. Users can query the dataset online or download it in its entirety of ~300GB. Users can query the dataset online or download it in its entirety of ~300GB.

  5. 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.

  6. 'Breathtaking': A mysterious fireball dazzled Pacific ... - AOL

    www.aol.com/news/breathtaking-mysterious...

    These were perhaps some of the thoughts of the roughly 50 observers in the Inland Northwest who reported their sighting of a fireball in the sky Monday night to the American Meteor Society. At ...

  7. Background (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Background_(astronomy)

    In astronomy, background commonly refers to the incoming light from an apparently empty part of the night sky.. Even if no visible astronomical objects are present in given part of the sky, there always is some low luminosity present, due mostly to light diffusion from the atmosphere (diffusion of both incoming light from nearby sources, and of man-made Earth sources like cities).

  8. The best of the best from last night's supermoon - AOL

    www.aol.com/news/2015-09-28-the-best-of-the-best...

    If you weren't looking up at the sky last night, you really missed out! Luckily, we've got you covered. A supermoon occurs when a new or full moon is at its closest point to Earth, which makes it ...

  9. You’ll Be Able to See 6 Planets in the Sky This Week ... - AOL

    www.aol.com/ll-able-see-6-planets-210511810.html

    When you think about it, there is a lot going on in the sky. Between full moons, supermoons and northern lights, the sky likes to show off how cosmically cool it is.Even though the full moon for ...