When.com Web Search

  1. Ad

    related to: earth night map 2023 date time

Search results

  1. Results From The WOW.Com Content Network
  2. Equinox - Wikipedia

    en.wikipedia.org/wiki/Equinox

    Equinox. A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September.

  3. 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 ...

  4. March equinox - Wikipedia

    en.wikipedia.org/wiki/March_equinox

    Illumination of Earth by the Sun on the day of an equinox. The March equinox[7][8] or northward equinox[9] is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth. The March equinox is known as the vernal equinox (spring equinox) in the ...

  5. September equinox - Wikipedia

    en.wikipedia.org/wiki/September_equinox

    The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. At the equinox, the Sun as viewed from the equator rises due east and sets due west.

  6. Winter solstice - Wikipedia

    en.wikipedia.org/wiki/Winter_solstice

    The winter solstice, also called the hibernal solstice, occurs when either of Earth 's poles reaches its maximum tilt away from the Sun. This happens twice yearly, once in each hemisphere (Northern and Southern). For that hemisphere, the winter solstice is the day with the shortest period of daylight and longest night of the year, and when the ...

  7. Solstice - Wikipedia

    en.wikipedia.org/wiki/Solstice

    21. 14:14. A solstice is the time when the Sun reaches its most northerly or southerly excursion relative to the celestial equator on the celestial sphere. Two solstices occur annually, around 20-22 June and 20-22 December. In many countries, the seasons of the year are defined by reference to the solstices and the equinoxes.

  8. Earth at Night in Color - Wikipedia

    en.wikipedia.org/wiki/Earth_At_Night_In_Color

    Release. December 4, 2020. (2020-12-04) –. April 16, 2021. (2021-04-16) Earth At Night In Color is an American nature documentary television series created by Offspring Films and narrated by Tom Hiddleston. The series premiered on December 4, 2020 on Apple TV+, with a second season premiering on April 16, 2021. [1][2]

  9. Stadium-sized asteroid buzzing by Earth Tuesday night ... - AOL

    www.aol.com/news/stadium-sized-asteroid-buzzing...

    The 720-foot-wide asteroid known as "2024 ON" is zooming past Earth at 620,000 miles away — close in astronomical terms, but still more than 2.5 times the distance between the Earth and the Moon ...