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Astronomical unit - Wikipedia

en.wikipedia.org/wiki/Astronomical_unit

The astronomical unit (symbol au, or ua) is a unit of length, roughly the distance from Earth to the Sun. However, that distance varies as Earth orbits the Sun, from  ...

How Far is Earth from the Sun? - Space.com

www.space.com/17081-how-far-is-earth-from-the-sun.html

Sep 17, 2012 ... The distance from Earth to the sun is called an astronomical unit, which is used to measure distances throughout the solar system.

Earth-Sun Distance Measurement Redefined - Space.com

www.space.com/17733-earth-sun-distance-astronomical-unit.html

Sep 24, 2012 ... After hundreds of years of approximating the distance between the Earth and Sun , the Astronomical Unit was recently redefined as a set value ...

NASA - Measuring the Distance

www.nasa.gov/audience/foreducators/k-4/features/F_Measuring_the_Distance_Student_Pages.html

Apr 10, 2009 ... Planets: Earth. Mars. Distance from the Sun*. 149,600,000 kilometers (km) or 92,900,000 miles. 227,940,000 km or 141,600,000 miles ...

How critical is the Earth-Sun distance in maintaining our average ...

curious.astro.cornell.edu/physics/40-our-solar-system/the-earth/climate-and-weather/72-how-critical-is-the-earth-sun-distance-in-maintaining-our-average-temperatures-on-earth-intermediate

Jun 27, 2015 ... The distance between Earth and Sun is probably the least critical with respect to the average temperatures on Earth. The distance between ...

How Far is Earth from the Sun? - Universe Today

www.universetoday.com/how-far-is-earth-from-the-sun/

Oct 28, 2013 ... We orbit the Sun at a distance of about 150 million kilometers. ... At its closest point, the Earth gets to 147 million km, and at its most distant point ...

Is the distance from the Earth to the Sun changing? (Advanced ...

curious.astro.cornell.edu/about-us/41-our-solar-system/the-earth/orbit/83-is-the-distance-from-the-earth-to-the-sun-changing-advanced

First I should say that the Earth's orbit around the Sun is elliptical, not perfectly circular, so the Earth-Sun distance is changing as we speak just from the Earth ...

How far away is the Sun? | Cool Cosmos

coolcosmos.ipac.caltech.edu/ask/8-How-far-away-is-the-Sun-

The Sun is at an average distance of about 93,000,000 miles (150 million kilometers) away from Earth. It is so far away that light from the Sun, traveling at a  ...

Distances (in meters)

physics.ucr.edu/~wudka/Physics7/Notes_www/node17.html

Distances (in meters) ... Jupiter 3.8×10<sup>8</sup> Distance to the Moon 7.0×10<sup>8</sup> Radius of the Sun 1.5×10<sup>11</sup> Earth/Sun mean distance 5×10<sup>11</sup> Radius of the supergiant ...