The right ascension and declination of the seven stars of the Big Dipper are given below: Right Ascension Declination Star Alkaid 13h48m +49°19' Mizar 13h24m +54°56' Alioth 12h54m +55°58' Megrez 12h15m +57°02' Phecda 11h54m +53°42' 11h02m +56°23' 11h04m +61°45' Merak Dubhe (1) For what range of latitude are all the stars of the Rig Dinner circumpolar?
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Q: What is the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec.
A: Annual parallax (p), p=0.129 arcsec
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A: Parallax is a method used to calculate the distance to astronomical objects like stars. Parallax is…
Q: DISTANCE IN
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A: The given data we have: Baseline: 1000km The parallax is to be measured at angles θ=1o,1',1''
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A: The parallax angle for a particular star is given as p=0.4 arcseconds
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Q: Explain Parallax
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Q: Find the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec. pc
A: It is given that,
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A:
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Q: How many light years are in one parsec? (Use at least two significant figures)
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- 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. 10What is the apparent magnitude of the sun as seen from Saturn about 10 AU away? Appear to magnitude of Saturn =Which of the following is largest? the size of a typical star. 1 AU. the size of the earth. 1 light-minute.
- 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.You measure a star to have a parallax angle of 0.12 arc-seconds What is the distance to this star in parsecs? 8.33 Hint: d = 1/p What is the parallax angle of a different star that is twice as far away as the star from the previous problems? [answer in arc-seconds without including the unit]15: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. What is the distance to this star? Answer: 37 16: What is the absolute magnitude of this star? Answer:1.8 17: Is this star more or less luminous than the Sun? Answer "M" for More luminous or "L" for Less luminous. (HINT: the absolute magnitude of the Sun is 4.8) Answer: M 18: What is the luminosity of this star? (HINT: The luminosity of the Sun is 3.85×1026 W.) Please answer question #18, #15-17 are correct, the photos provide the work for them.
- The two figures provided below show the motion of Stars A and B in the sky. Note that Star A is first visible above the horizon at noor In what direction is Star B moving at 3:00 am? Celestial Sphere Rotation Path of Celestial Star B Sphere Path of North Star North Star Star A 9 PM North Earth's' Horizon Equator Celestial Sphere Rotation A. west (to the left) B. east (to the right) O C. south (out of the page) D. away from the horizon (up) E. toward the horizon (down)Question 4 pleaseAs2