Calculators of distance from earth
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RETROREFLECTORSCalculators of distance from earth
cepheidA variable star having a regular cycle of brightness with a frequency related to its luminosity, so allowing estimation of its distance from the earth
apogeethe point in the orbit of an object (as a satellite) orbiting the earth that is at the greatest distance from the center of the earth
apogeanthe point in the orbit of an object (as a satellite) orbiting the earth that is at the greatest distance from the center of the earth
parsecunit of distance equal to that required to cause a heliocentric parallax of one second of an arc, equivalent to 206,265 times the distance from the earth to the sun, or 3.26 light-years
sunthe luminous celestial body around which the earth and other planets revolve, from which they receive heat and light, which is composed mainly of hydrogen and helium, and which has a mean distance from earth of about 93,000,000 miles (150,000,000 kilometers), a linear diameter of 864,000 miles (1,390,000 kilometers), and a mass 332,000 times greater than earth
sunsthe luminous celestial body around which the earth and other planets revolve, from which they receive heat and light, which is composed mainly of hydrogen and helium, and which has a mean distance from earth of about 93,000,000 miles (150,000,000 kilometers), a linear diameter of 864,000 miles (1,390,000 kilometers), and a mass 332,000 times greater than earth
UNITAstronomical ... (mean distance from the earth to the sun)