hi I am studying physics right now
pls explain parallax method
Answers
Answer:
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Answer:
Parallax is a method based on measuring two angles and sides of a triangle formed by the star, earth on one side and the other side six month later.Astronomers use an effect to find the distance to a nearby star. Its apparent displacement by comparing the distance of star respect to the earth.
OR
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.
Explanation:
What is an example of a parallax?
→ The term “parallax” refers to the apparent movement of objects when viewed from different positions. The everyday example of this is seen driving on the highway, when you look out the window, electrical poles near the road seem to zo-om past, while trees in the distance appear to slowly drift by.
How do you use parallax method?
→ To do this, the 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.
Who invented parallax method?
→ The first successful measurements of stellar parallax were made by Friedrich Bessel in 1838 for the star 61 Cygni using a heliometer.