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  2. List of nearest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_stars

    Distances of the nearest stars from 20,000 years ago until 80,000 years in the future Visualisation of the orbit of the Sun (yellow dot and white curve) around the Galactic Centre (GC) in the last galactic year. The red dots correspond to the positions of the stars studied by the European Southern Observatory in a monitoring programme. [71]

  3. Night sky - Wikipedia

    en.wikipedia.org/wiki/Night_sky

    Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...

  4. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere, southern hemisphere, and equatorial sky watchers. Sky Map Online – Free interactive star chart (showing over 1.2 million stars up to magnitude 12)

  5. List of nearest stars by spectral type - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_stars_by...

    Below there are lists the nearest stars separated by spectral type.The scope of the list is still restricted to the main sequence spectral types: M, K, F, G, A, B and O.It may be later expanded to other types, such as S, D or C.

  6. Celestial navigation - Wikipedia

    en.wikipedia.org/wiki/Celestial_navigation

    Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the surface of the Earth without relying solely on estimated positional calculations, commonly known as dead reckoning.

  7. List of astronomical observatories - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    Historically, astronomical observatories consisted generally in a building or group of buildings where observations of astronomical objects such as sunspots, planets, asteroids, comets, stars, nebulae, and galaxies in the visible wavelengths of the electromagnetic spectrum were conducted. At first, for millennia, astronomical observations have ...

  8. Here's Why You've Stopped Seeing the Stars in Your ... - AOL

    www.aol.com/heres-why-youve-stopped-seeing...

    According to the International Dark-Sky Association, light pollution is interfering with the health of plants and animals that depend on Earth’s daily cycle of light and dark rhythm to govern ...

  9. List of highest astronomical observatories - Wikipedia

    en.wikipedia.org/wiki/List_of_highest...

    The stunning successes and discoveries made there using the world's largest telescopes, the 100-inch Hooker Telescope and 200-inch Hale Telescope, spurred the move to ever higher sites for the new generation of observatories and telescopes after World War II, along with a worldwide search for locations which had the best astronomical seeing.