Physics

Physics, 28.07.2019 08:00, ChHal1958

The light of a star that can be seen from earth is called what? (apparent or absolute magnitude)

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Physics, 22.07.2019 08:00, gabbymay85

Sean enjoys studying the stars. he used a photometry tool to calculate several stars' apparent magnitudes (how bright a star looks in the sky). he then researched the stars' distances from earth. he recorded his results in the table below. star apparent magnitude distance from earth sirius a -1.47 8.6 light-years alpha centauri a -0.01 4.4 light-years rigel 0.12 770 light-years procyon 0.34 11 light-years alpha centauri b 1.33 4.4 light-years what conclusions can sean draw from his chart? a. a star's apparent magnitude increases as its distance from earth increases. b. a star's apparent magnitude is not directly related to its distance from earth. c. a star's apparent magnitude decreases as its distance from earth increases. d. a star's apparent magnitude decreases if it is very close to another star.

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Physics, 29.08.2019 21:20, xrenay

When comparing a star’s absolute magnitude to its apparent magnitude, which is usually the case? select all that apply. a star’s absolute magnitude can be brighter than its apparent magnitude. a star’s apparent magnitude can be brighter than its absolute magnitude. a star’s absolute magnitude can be equal to its apparent magnitude. no star’s apparent magnitude is greater than the sun’s apparent magnitude.

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Biology, 09.10.2019 23:30, alliehall2002

Sean enjoys studying the stars. he used a photometry tool to calculate several stars' apparent magnitudes (how bright a star looks in the sky). he then researched the stars' distances from earth. he recorded his results in the table below. star apparent magnitude distance from earth sirius a -1.47 8.6 light-years alpha centauri a -0.01 4.4 light-years rigel 0.12 770 light-years procyon 0.34 11 light-years alpha centauri b 1.33 4.4 light-years what conclusions can sean draw from his chart? a. a star's apparent magnitude decreases if it is very close to another star. b. a star's apparent magnitude decreases as its distance from earth increases. c. a star's apparent magnitude is not directly related to its distance from earth. d. a star's apparent magnitude increases as its distance from earth increases.

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Mathematics, 14.10.2019 16:30, rpmgamer

The brightness of a star is called its absolute magnitude (m). the equation m = a + 5 - 5 log d is used to find the absolute magnitude of a star. a represents the apparent magnitude and d is the distance, measured in a unit called parsecs, from earth. the absolute magnitude of a star is 0.45 and the apparent magnitude is 0.009, how far is the star from earth?

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The light of a star that can be seen from earth is called what? (apparent or absolute magnitude)...

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