Dae3eL8ihaponcastfam Dae3eL8ihaponcastfam

23-11-2016
Physics

contestada

An astronomer would most likely use parallax to

see the Doppler shift in a star.

measure the distance to a star.

measure the temperature of a star.

see the emission spectrum of a star

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Greenleafable Greenleafable

28-11-2016

The correct answer is measure the distance to a star.

It is the semi-angle of inclination between two sight-lines to the star, as observed when the Earth is on opposite sides of the Sun in its orbit. This is used to measure the distance to closer stars.

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Аноним Аноним

18-11-2020

it’s b, I got it right :)

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