25 POINTS + BRAINLIEST Which among the various techniques of stellar distance measurement is the best one? Discuss the merits and demerits of all the techniques (stellar parallax, using absolute and apparent magnitudes, using periods of variable stars, and red shifts of very distant objects).

Parallax is “the best way to get distance in astronomy,” said Mark Reid, an astronomer at the Harvard Smithsonian Center for Astrophysics. He described parallax as the “gold standard” for measuring stellar distances because it does not involve physics; rather, it relies solely on geometry.

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