Given a star has a absolute magnitude of 2.5 and an apparent magnitude of 10.0. With this data calculate the distance. *********
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- Hi! I just need help with the part circled in red. Thank you!A 4 ◆ zenith celestial equator B The image shows the local sky for a location at latitude 40 degrees north. For an observer in this location, a star located a point A will be A star located at B will rise in the and set in the A star at C will ◆ ◆Stars A and B both have the same spectral class. Star A is 7 times farther away than star B. The brightness of star A will be ________ times dimmer than B. a. 100 b. 14 c. 7 d. 49 e. 10
- 17 Which of the following statements about parallax is not true? A You can demonstrate parallax simply by holding up a finger and looking at it alternately from your left and right eyes. B C D The existence of stellar parallax is direct proof that Earth orbits the Sun. Measurement of stellar parallax allows us to determine distances to nearby stars. The technique of stellar parallax was used by Hubble to determine that the Andromeda Galaxy (M 31) is about 2 million light-years away. Ancient astronomers were unable to measure parallax and used the absence of observed parallax as an argument in favor of an Earth-centered universe.Help with 7■ A star has apparent magnitude 10.0 and absolute magnitude 2.5. How far away is it?
- 12 Suppose that you measure the parallax angle for a particular star to be 0.5 arcsecond. The distance to this star is A) 2 parsecs. B C 0.5 parsec. E 5 light-years. (D) 5 parsecs. 0.5 light-year.DO NOT COPY FROM OTHER WEBSITES Correct and detailed answer will be Upvoted else downvoted. Thank you!6) Estimate the distance to the star with absolute magnitude -5.6 and apparent magnitude 0.75