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  1. spaceplace.nasa.gov › years-on-other-planets › enHow Long is a Year on Other Planets? | NASA Space Place ...

    6 de may. de 2024 · The Short Answer: Here is how long it takes each of the planets in our solar system to orbit around the Sun (in Earth days): Mercury: 88 days. Venus: 225 days. Earth: 365 days. Mars: 687 days. Jupiter: 4,333 days. Saturn: 10,759 days. Uranus: 30,687 days. Neptune: 60,190 days. A year on Earth is approximately 365 days.

    • Space Volcanoes

      Enceladus. Saturn’s tiny moon Enceladus doesn’t have...

  2. geotimedate.org › julian-time-converterJulian Timestamp Converter – Julian Date Converter

    Hace 3 días · The somewhat unusual starting date derives from the Julian Period of 7980 Julian Years of 365.25 days each. The Julian Period is the time interval between coincidences of the 28-year Solar Cycle, the 19-year Lunar Cycle, and the 15-year Roman Indiction (a tax cycle).

  3. www1.phys.vt.edu › ~jhs › phys3154PHYS 3154 Observational Astrophysics: Coordinate Epochs

    24 de may. de 2024 · The Besselian system has been replaced by a system whereby 100 years is exactly 32525 days (1 Julian century) and in which 1900.0 corresponds to 1900 Jan 0.5 (Explanatory Supplement to the Astronomical Alamanac, p. 8).

  4. en.wikiversity.org › wiki › MathematicsMathematics/Astronomy - Wikiversity

    3 de may. de 2024 · Units of Physics and Astronomy Dimension Astronomy Symbol Physics Symbol Conversion time: 1 day: d: 1 second: s: 1 d = 86,400 s: time: 1 "Julian year" J: 1 second: s: 1 J = 31,557,600 s distance: 1 astronomical unit: AU: 1 meter: m: 1 AU = 149,597,870.691 km: mass: 1 Sun: M ʘ: 1 kilogram: kg: 1 M ʘ = 1.9891 x 10 30 kg: luminosity ...

  5. planetary-aspects.comPlanetary Aspects and Transits

    Julian date: 2,460,461.00: Ecliptic longitudes: Planet: Geocentric: Heliocentric: Sun: 69°34' 9Gem34 : Mercury: 52°45' 22Tau45: 357°35' 27Pis35: Venus: 68°10' 8Gem10: 66°14' 6Gem14: Earth : 249°34' 9Sag34: Mars: 22°45' 22Ari45: 350°30' 20Pis30: Jupiter: 61°4' 1Gem4: 59°22' 29Tau22: Saturn: 348°41' 18Pis41: 342°45' 12Pis45: Uranus ...

  6. www.britannica.com › science › light-yearLight-year | Distance, Measurement, Time | Britannica

    13 de may. de 2024 · Light-year, in astronomy, the distance traveled by light moving in a vacuum in the course of one year, at its accepted velocity of 299,792,458 metres per second (186,282 miles per second). A light-year equals about 9.46073 × 1012 km (5.87863 × 1012 miles), or 63,241 astronomical units.

  7. github.com › NohaFathy › julian_date_calculator-GitHub - NohaFathy/julian_date_calculator-: "Julian Date ...

    5 de may. de 2024 · "Julian Date Calculator" is a Python tool for quickly converting dates and times into Julian Date format, ideal for precise timekeeping in astronomy and scientific research. - Noh...