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6 November, 22:44

The distance between starts is usually measured in

A. Light-years

B. Kilometers

C. Astronomical units

D. Miles

Physical properties used to measure stars include

A. Mass

B. Brightness

C. Size

D. All of the above

An H-R diagram

A. Is a map of the positions of the starS

B. Graphs stars according to their size and distance

C. Lists every known star

D. Graphs a sample of stars according to surface temperature an absolute brightness

The apparent change in position of an object with respect to a distant background is

A. Light-year

B. Parallax

C. Luminosity

D. Absorption

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Answers (1)
  1. 7 November, 00:13
    0
    1) A. Light Years

    2) D. All of the above

    3) D. graphs a sample of stars according to surface temperature and absolute brightness

    4) B. Parallax
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