When.com Web Search

Search results

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

    en.wikipedia.org/wiki/Sidereal_year

    The sidereal year differs from the solar year, "the period of time required for the ecliptic longitude of the Sun to increase 360 degrees", [2] due to the precession of the equinoxes. The sidereal year is 20 min 24.5 s longer than the mean tropical year at J2000.0 (365.242 190 402 ephemeris days). [1]

  3. Astronomical naming conventions - Wikipedia

    en.wikipedia.org/wiki/Astronomical_naming...

    In ancient times, only the Sun and Moon, a few stars, and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are discovered every year.

  4. Cosmic Calendar - Wikipedia

    en.wikipedia.org/wiki/Cosmic_Calendar

    A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, the final minute, and the final second. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.

  5. Seven heavens - Wikipedia

    en.wikipedia.org/wiki/Seven_Heavens

    Each of the seven heavens corresponds to one of the seven classical planets known in antiquity. Ancient observers noticed that these heavenly objects (the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn) moved at different paces in the sky both from each other and from the fixed stars beyond them.

  6. Navagraha - Wikipedia

    en.wikipedia.org/wiki/Navagraha

    The nine parts of the navagraha are the Sun, Moon, planets Mercury, Venus, Mars, Jupiter, and Saturn, and the two nodes of the Moon. [2] A typical navagraha shrine found inside a Hindu temple. The term planet was applied originally only to the five planets known (i.e., visible to the naked eye) and excluded the Earth.

  7. What Is My Chart Ruler? How to Find Your Zodiac Sign ... - AOL

    www.aol.com/chart-ruler-zodiac-sign-ruling...

    The chart ruler is determined by finding the planet that rules the zodiac sign on your ascendant. It shows where the energies of your rising sign are manifested in the chart and which planetary ...

  8. Astrological age - Wikipedia

    en.wikipedia.org/wiki/Astrological_age

    Astrologers have been interested in relating world history to the astrological ages since the late 19th century; [4] however, most astrologers study horoscopes, not astrological ages. The pop-culture concept of the Age of Aquarius referring to major societal changes of the 1960s , popularized in the 1967 musical (and subsequent 1979 film ) Hair .

  9. Astronomical symbols - Wikipedia

    en.wikipedia.org/wiki/Astronomical_symbols

    Pluto also had the IAU abbreviation P when it was considered the ninth planet. [41] The other large trans-Neptunian objects were only discovered around the dawn of the 21st century. They were not generally thought to be planets on their discovery, and planetary symbols had in any case mostly fallen out of use among astronomers by then.