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Vika [28.1K]
4 years ago
13

How can parallax allow us to determine the distance to a star

Physics
1 answer:
tensa zangetsu [6.8K]4 years ago
4 0

Answer:

Astronomers use a method similar to the one you used with your homemade quadrant. Twice the distance to the Sun, divided by the distance to the star (which is unknown so far) is equal to the tangent of the parallax angle of the star.

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Relative density of mercury is 13600 what does it mean
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relative density is the density divided by some reference density.

for liquids like mercury the reference density is most likely water, so

relative density = density mercury / density of water = 13600

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A backpacker walks for 3 days in the mountains and covers 16 km. How fast was he walking in km/hr?
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3 years ago
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