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If a star's parallax angle is too small to meaure what can you conclude about the star distance form earth?
Wiki User
∙ 7y ago
It means that its distance is farther than can be detected. For example, if the smallest angle that can be detected is 1/100 of an arc-second, it would mean that the star is farther than about 100 parsec.
Wiki User
∙ 7y ago
Wiki User
∙ 6y agoThat is it very far from the earth.
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How does parallax shift varies with distance?
The closer the star, the greater the parallax angle, which is why you can't measure the distance to very distant stars using the parallax method.
Why would astronomers measure the parallax angle of a planet or star?
It's distance
What is the effect of distance from an object on parallax angles?
The parallax should get smaller and harder to notice although in astronomy there are techniques used to find the parallax of stars by using the Earth's position around the sun to find the distance of the stars.
How many parsecs are in 5 milliarcsecs?
Parsec is a unit of distance, arcseconds of angle, so in principle, the two can't be converted. However, if an object has a parallax of 5 milliarcseconds (0.005 arc-seconds), the distance in parsecs, from Earth, would be 1 / 0.005 = 200 parsecs.
What is triangulation and parallax?
Parallax is when objects seem to be in a different place, depending on the angle at which they are viewed. An example would be if you block an object in your visual field with one finger, then close your dominant eye. The object will appear to have moved. Triangulation, used in the context of mathematics and astronomy, is when you determine an unknown distance based on 2 or more known distances.
If a star's parallax angle is too small to measure what can you conclude about the stars distance from earth?
You can conclude that it is farther than a certain distance. How much this distance is depends, of course, on how accurately the parallax angle can be measured.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from the earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
How does parallax shift varies with distance?
The closer the star, the greater the parallax angle, which is why you can't measure the distance to very distant stars using the parallax method.
Why would astronomers measure the parallax angle of a planet or star?
It's distance
What is the effect of distance from an object on parallax angles?
The parallax should get smaller and harder to notice although in astronomy there are techniques used to find the parallax of stars by using the Earth's position around the sun to find the distance of the stars.
If a star has a parallax of 0.20 arc seconds what is the distance to that star?
I assume you mean the parallax. If the parallax is 0.1 arc-seconds, then the distance is 1 / 0.1 = 10 parsecs.I assume you mean the parallax. If the parallax is 0.1 arc-seconds, then the distance is 1 / 0.1 = 10 parsecs.I assume you mean the parallax. If the parallax is 0.1 arc-seconds, then the distance is 1 / 0.1 = 10 parsecs.I assume you mean the parallax. If the parallax is 0.1 arc-seconds, then the distance is 1 / 0.1 = 10 parsecs.
Why are scientists unsure of the distance of Deneb from Earth?
There is an uncertainty in ANY distance calculation; more so in astronomy, where you can't apply a measuring tape directly. For example, if you use the parallax method, you can only measure the parallax angle up to a certain precision; the farther the star is from us, the smaller the parallax angle, and therefore the larger will the uncertainty be.Specifically in the case of Deneb, it seems that it is surrounded by a shell of material; this makes it more difficult to measure the parallax exactly.
Is the larger a parallax shift the closer an object is?
Yes, that's the way it works. A parallax angle of 1" (arc-second) means that the object is at a distance of 1 parsec (that's how the parsec is defined); at a parallax angle of 1/10 of an arc-second, the object would be at a distance of 10 parsec, etc. A parsec is approximately 3.26 light-years.
Why can't the parallax effect be used to measure distances to other galaxies?
The parallax angle of such distant objects is way too small to be measured. In general, the farther away an object, the smaller is its parallax angle.
If measure of the angle is thirty degrees more than one fourth the meaure of its supplement?
then WHAT!
What is the parallax angle of rigel?
.2 arc sec
