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  2. Astronomical unit - Wikipedia

    en.wikipedia.org/wiki/Astronomical_unit

    Average distance from the Sun — Earth: 1.00 — Average distance of Earth's orbit from the Sun (sunlight travels for 8 minutes and 19 seconds before reaching Earth) — Mars: 1.52 — Average distance from the Sun — Jupiter: 5.2 — Average distance from the Sun — Light-hour: 7.2 — Distance light travels in one hour — Saturn: 9.5 ...

  3. Saturn - Wikipedia

    en.wikipedia.org/wiki/Saturn

    The average distance between Saturn and the Sun is over 1.4 billion kilometers (9 AU). With an average orbital speed of 9.68 km/s, [ 6 ] it takes Saturn 10,759 Earth days (or about 29 + 1 ⁄ 2 years) [ 86 ] to finish one revolution around the Sun. [ 6 ] As a consequence, it forms a near 5:2 mean-motion resonance with Jupiter. [ 87 ]

  4. Light-second - Wikipedia

    en.wikipedia.org/wiki/Light-second

    1.799 × 10 7 km: 1.118 × 10 7 miles: Average distance from the Earth to the Sun is 8.317 light-minutes light-hour 60 light-minutes = 3600 light-seconds 1 079 252 848 800 m: 1.079 × 10 9 km: 6.706 × 10 8 miles: The perihelion of Saturn's orbit is about 1.25 light-hours light-day 24 light-hours = 86 400 light-seconds 25 902 068 371 200 m: 2. ...

  5. Solar radius - Wikipedia

    en.wikipedia.org/wiki/Solar_radius

    Evolution of the solar luminosity, radius and effective temperature compared to the present-day Sun. After Ribas (2009) [3] The uncrewed SOHO spacecraft was used to measure the radius of the Sun by timing transits of Mercury across the surface during 2003 and 2006. The result was a measured radius of 696,342 ± 65 kilometres (432,687 ± 40 miles).

  6. Earth's orbit - Wikipedia

    en.wikipedia.org/wiki/Earth's_orbit

    Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), or 8.317 light-minutes, [1] in a counterclockwise direction as viewed from above the Northern Hemisphere. One complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million km (584 million mi). [2]

  7. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    111 kmdistance covered by one degree of latitude on Earth's surface; ... average distance between Saturn and the Sun; 1.47 Tm – 9.9 au – diameter of HR 5171 ...

  8. Alpha Centauri - Wikipedia

    en.wikipedia.org/wiki/Alpha_Centauri

    Their elliptical orbit is eccentric, so that the distance between A and B varies from 35.6 astronomical units (AU), or about the distance between Pluto and the Sun, to 11.2 AU, or about the distance between Saturn and the Sun. One astronomical unit is the distance from Earth to the Sun, 150 million kilometers.

  9. Light-year - Wikipedia

    en.wikipedia.org/wiki/Light-year

    One astronomical unit (the distance from the Sun to the Earth). It takes approximately 499 seconds (8.32 minutes) for light to travel this distance. [28] 1.27 × 10 −4 ly: The Huygens probe lands on Titan off Saturn and transmits images from its surface, 1.2 billion kilometres from Earth. 5.04 × 10 −4 ly