3.26 Light Years
A Light year is around 6 trillion miles
So 18.78 trillion miles or there abouts.
2006-12-10 14:55:15
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answer #1
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answered by Doob_age 3
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The parsec (symbol pc) is a unit of length used in astronomy. It stands for "parallax of one arc second".
It is based on the method of trigonometric parallax, one of the most ancient and standard methods of determining stellar distances. The parallax of a star is half of the angular distance a star appears to move against the celestial sphere compared to the orbit of the Earth around the Sun (see the diagram at right). Equivalently, it is the angle subtended at a star by the radius of the Earth's orbit. One parsec is defined to be the distance from the Earth to a star that has a parallax of 1 arcsecond. It is, therefore, approximately:
360 Ã 60 Ã 60/(2Ï) = 206,264.8062 AU
3.085 677 58 Ã 1016 m
1.917 351 16 Ã 1013 miles
3.261630751 light years
See the link below.
2006-12-10 22:59:20
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answer #2
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answered by Austin Semiconductor 5
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the speed of light is:
186,000 mi per second
x60seconds = 11,160,000 mi per minunte
x60minutes = 669,600,000 mi per hour
x24hour = 16,070,400,000 mi per day
x365 days = 5,865,696,000,000 mi per year
a parsec is 3.26 light years:
5,865,696,000,000
x3.26
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19,122,168,960,000 mi per parsec
2006-12-10 23:23:43
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answer #4
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answered by Anonymous
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