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  2. Northern celestial hemisphere - Wikipedia

    en.wikipedia.org/wiki/Northern_celestial_hemisphere

    A star chart of the entire Northern Sky, centered on the north celestial pole. The northern celestial hemisphere, also called the Northern Sky, is the northern half of the celestial sphere; that is, it lies north of the celestial equator. This arbitrary sphere appears to rotate westward around a polar axis due to Earth's rotation.

  3. North Pole - Wikipedia

    en.wikipedia.org/wiki/North_Pole

    Gerardus Mercator's map of the North Pole from 1595 C.G. Zorgdragers map of the North Pole from 1720 As early as the 16th century, many prominent people correctly believed that the North Pole was in a sea, which in the 19th century was called the Polynya or Open Polar Sea . [ 7 ]

  4. IAU designated constellations by geographical visibility

    en.wikipedia.org/wiki/IAU_designated...

    The International Astronomical Union (IAU) designates 88 constellations. [1] In the table below, they are listed by geographical visibility according to latitude as seen from Earth, as well as the best months for viewing the constellations at 21:00 (9 p.m.).

  5. Celestial pole - Wikipedia

    en.wikipedia.org/wiki/Celestial_pole

    The south celestial pole is visible only from the Southern Hemisphere. It lies in the dim constellation Octans, the Octant. Sigma Octantis is identified as the south pole star, more than one degree away from the pole, but with a magnitude of 5.5 it is barely visible on a clear night.

  6. Category:Northern constellations - Wikipedia

    en.wikipedia.org/wiki/Category:Northern...

    All circumpolar constellations fully-visible from the North Pole See also: Category:Southern constellations and Category:Equatorial constellations Subcategories

  7. Spacecraft beams back riveting photos after buzzing ... - AOL

    www.aol.com/spacecraft-beams-back-riveting...

    A spacecraft has beamed back some of the best close-up photos ever of Mercury’s north pole. The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above ...

  8. List of stars for navigation - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_for_navigation

    The 11 northern stars are those with a declination between 30° north and 90° north. They are listed in order of decreasing sidereal hour angle, or from the vernal equinox westward across the sky. Starting with Schedar in the constellation Cassiopeia, the list includes stars from the constellations Auriga, the Great and Little Bears, Draco ...

  9. Draco (constellation) - Wikipedia

    en.wikipedia.org/wiki/Draco_(constellation)

    Draco is a constellation in the far northern sky. Its name is Latin for dragon. It was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and remains one of the 88 modern constellations today. The north pole of the ecliptic is in Draco. [1]