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What type of measure do you use to measure the distance between stars?
Wiki User
∙ 11y ago
There are two principal measurements: the light year and the parsec. The light year, about 9.46 trillion km, is the distance light, at 299,000 kps, travels in a tropical year. The other, which is about 3-and-a-quarter light years, is a figure derived by using the difference in position between two points of the Earth's orbit as the base of a triangle. When the paralex equals one second of arc (1/60th of a minute; 1/3600th of a degree), that a parsec.
To avoid having to say "thousand" and "million," really far distances (as between galaxies) are often in terms of "kiloparsecs" and "megaparsecs."
Wiki User
∙ 11y ago
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