Life Applications on Astronomy
Astronomy – measurement of the positions and movements
The biggest impact that trigonometry has had in Astronomy is in the finding of distances to nearby stars through the method of parallax.
Parallax
- When an object is viewed from two different positions it appears to move in relation to its background. This apparent movement is termed parallax.
- In astronomy, parallax refers to the difference in direction of a celestial object when viewed by an observer from two widely separated points.
Trigonometric Parallax
Parallax can be used directly to determine the distance of nearby stars.
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