Questions about the apparent displacement of a celestial body with respect to its background when observed along two different lines of sight.
Questions tagged [parallax]
66 questions
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vertical shift is equals to half of angular dimension plus parallax plus atmosphere refraction
I'm developing a C++ computer library with the formulas in the book "Practical Astronomy with your Calculator or Spreadsheet 4th Edition" but I have a problem with the formula 49, "Sunrise and sunset". I have a problem with something called…
VansFannel
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How to solve numerical problems based on diurnal parallax method (formulas, examples and calculations)?
In physics, I have to solve some numerical problems based on the parallax method. I learnt the parallax method from Khan Academy and Wikipedia. (I found a really helpful Khan Academy video parallax in observing stars and stellar distance using…
user40935
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3 answers
Does parallax measurement depend on position in the sky
Naturally, the parallax is easier to measure for stars that are closer than farther away. But if all stars were the same distance from the Sun, and if there were some other reference to measure the parallax, would all stars show the same…
JohnHoltz
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How to calculate the distance of "3C 147"
According to Simbad ( http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=3C+147 ), the parallax is 0.0471 which would put it at a distance of 69,249 Light Years by using…
MiscellaneousUser
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Calculating distance using plate scale to measure parallax angle - high school homework question
I need a reality check. All of the context around this question would take way too long to explain, but I'm perfectly willing if I haven't provided enough information here. I'm trying to figure out if I'm just not getting my daughter's high school…
Jon Miller
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