Asked by dk
When the Earth is on one side of the sun, a star’s location is recorded. In six months, when the Earth is on the other side of the sun, the same star is observed and the distance between the first observation and the second is calculated. What is this an example of?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0Aspectrometer%0D%0A%0D%0Aspectrometer%0D%0A%0D%0AGAIA%0D%0A%0D%0AGAIA%0D%0A%0D%0Aparsec%0D%0A%0D%0Aparsec%0D%0A%0D%0Atrigonometric parallax
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Trigonometric parallax.
Measuring a star’s apparent shift six months apart uses Earth’s orbit as a baseline to determine its parallax angle and thus its distance (1 parsec = distance giving 1″ parallax).
Measuring a star’s apparent shift six months apart uses Earth’s orbit as a baseline to determine its parallax angle and thus its distance (1 parsec = distance giving 1″ parallax).
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