All Questions
Tagged with fundamental-astronomy distances
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How Did Early Astronomers Measure Distances?
Prior to the era of radar and other forms of radio/RF/EM ranging, what approaches, methods, and techniques did early astronomers (e.g., Kepler, Cassini, Copernicus) use to measure the distance(s) from ...
user28134
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Could space time curve from the vantage point of earth and out into the universe, and would d = 1 / P in that case give false estimates?
The seventeenth century saw a revolution in astronomy. The invention of the telescope and the acknowledgement of the heliocentric system triggered a race amongst astronomers to measure the parallax of ...
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How to calculate position of an unknown star knowing positions of some other stars from an image?
Suppose I know the coordinates (right ascension and declination) of the stars marked with red. How should I calculate the coordinates of an unknown star, marked with yellow?
Searching over the web, I ...
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Do astronomers, in principle, have more information about older phenomena than younger?
The further away we see, the older states of the world we observe. And the volume of the part of space which is observable, increases by the square of the distance to it. So there should basically be ...
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