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Heliocentrism.
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∙ 12y ago
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Distance to nearby stars can be determined from?
stellar parallax
The apparent shift in the position of nearby stars when compared to distant stars is?
Doug Fany answer: Parallax
Why were early astronomers unable to detect stellar parallax?
Pressumably, they didn't have the high-precision devices required to measure those angles. You must consider that we are talking about extremely small angles - even the closest star has a parallax of less than one arc-second (1/3600 of a degree).
What do astronomers use as a baseline in measuring stellar parallax?
Is it Jupiter's orbit, a parsec, the average diameter of the Earth's orbit or a light year? Please choose one of the following.
How Can the observation of stellar parallaxes in general be used as evidence against a geocentric view of the cosmos?
The parallax of nearby stars is the result of the Earth moving around the Sun. As far as I know, there is no reasonable alternative explanation for it.
Distance to nearby stars can be determined from?
stellar parallax
What was not seen telescopically by galileo?
Stellar Parallax
Stellar parallax is NOT a type of triangulation technique?
True
What can distances to nearby stars determined by?
Stellar parallax
Who discovered stellar parallax?
Friedrich Wilhelm Bessel was the first person to find the parallax of a fixed star.
What is the cause of stellar parallax?
Earth's orbit around the Sun.
The apparent shift in the position of nearby stars when compared to distant stars is?
Doug Fany answer: Parallax
Do scientists use stellar parallax to determine a star's temperature?
Not if they have the faintest clue what they're doing. Parallax is used to measure distance, not temperature.
What measures star distance from the Earth?
Stellar Parallax Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun.
Why were early astronomers unable to detect stellar parallax?
Pressumably, they didn't have the high-precision devices required to measure those angles. You must consider that we are talking about extremely small angles - even the closest star has a parallax of less than one arc-second (1/3600 of a degree).
Why did the existence of stellar parallax not convince people in Copernicus time that his model was better than Ptolemys geopcentric model?
Stellar parallax could not be observed until hundreds of years after Copernicus: the effect is very small. Rejection of the Copernican system was not irrational.
Why were ancient people unable to detect stellar parallax?
they couldn't measure small angles
