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  2. Globe at Night - Wikipedia

    en.wikipedia.org/wiki/GLOBE_at_Night

    Globe at Night is an international scientific research program that crowdsources measurements of light pollution in the night sky. At set time periods within each year, the project asks people to count the number of stars that they can see from their location and report it to the project's website. The coordinating researchers compile this ...

  3. Night sky - Wikipedia

    en.wikipedia.org/wiki/Night_sky

    The night sky is the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon. Natural light sources in a night sky include moonlight, starlight, and airglow, depending on location and timing. Aurorae light up the skies above the ...

  4. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.

  5. Sky Map - Wikipedia

    en.wikipedia.org/wiki/Skymap

    Sky Map; Developer(s) Google Carnegie Mellon University: Stable release: 1.9.2 [1] / 1 October 2016; 17 July 2020. ... Star chart - map of the night sky; References

  6. What do Starlink satellites look like at night? Just look up ...

    www.aol.com/starlink-satellites-look-night-just...

    Local social media sites were buzzing with questions and reported sightings of a string of lights in the night sky over the South Shore on Sunday. The lights were coming from Starlink satellites ...

  7. Timeline of first images of Earth from space - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_first_images...

    First dedicated and first published Earth observation images from outer space, first published on March 25, 1947. [9][10][11][12] July 26, 1948. First prepared wide-angle panorama of Earth from outer space (the 1946 flight did already record a panorama swing). [citation needed] October 5, 1954. Aerobee AJ10-24.

  8. Google Maps - Wikipedia

    en.wikipedia.org/wiki/Google_Maps

    Google Maps' satellite view is a "top-down" or bird's-eye view; most of the high-resolution imagery of cities is aerial photography taken from aircraft flying at 800 to 1,500 feet (240 to 460 m), while most other imagery is from satellites. [5]

  9. Bortle scale - Wikipedia

    en.wikipedia.org/wiki/Bortle_scale

    Bortle scale. The Bortle dark-sky scale (usually referred to as simply the Bortle scale) is a nine-level numeric scale that measures the night sky 's brightness of a particular location. It quantifies the astronomical observability of celestial objects and the interference caused by light pollution.