(a) Use powers of G and c to convert 1 M. to a unit of time and give its value in SI units. (b) Combine powers of G and c to form a constant with dimensions of luminosity and
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A: Diagram for explaining parallax angle: o star / \…
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A: 1. A star to undergo its maximum parallactic displacement is about 326 light years that is equal to…
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A: Parallax is one of the methods used by astronomers to estimate the distance to stars and other…
Q: At what distance is an object if its parallax, as measured from either end of a 1000-km baseline, is…
A: The given data we have: Baseline: 1000km The parallax is to be measured at angles θ=1o,1',1''
Q: #7
A: Given that:-Mass of the sun, Msun=1.989×1030 kgRadius of the sun, R=85.074 kmWe know that:-Volume,…
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A: Using the relationship between the parallax angle and distance of the star and the earth is given…
Q: If the parallax angle of a star is 0.5", what is the star's distance in light years and kilometers?
A:
Q: A star is observed at a distance of 90 pc. What will be its parallax angle?
A: Parallax is defined as the change in the apparent position of an object due to a change in the…
Q: an object is a located at the following equatorial coordinates (J2000): 12h 27m 53.6s (right…
A:
Q: Can someone please check the calculations on this for ρ = m/V_air = nM/V_air = (P/RT)M ρ =…
A: Here P=102325 PaT=310 KR=8.314 m3 PaK molM = Molar mass of air = 0.029 kgmol
Q: V B r 10.401 10.894 12.303 9.459 9.656 9.477 11.635 12.744 11.229 i 9.705 9.661 10.837 Parallax…
A: Given as,
Q: Where did this equation come from?
A: The equation you provided is derived from the physics of standing waves, which occur when two waves…
Q: How many parsecs are there in 212 light-years?
A: We know that 1 light year = 0.3066 parsecs
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A: Gravity is one of the fundamental forces of nature responsible for keeping anything with mass…
Q: The apparent magnitude of a star is (4.3) and the parallax angle is (0.161) arcseconds. The absolute…
A: The absolute magnitude of a star is given by the formula, M=m-5 log10D10 where D is distance of the…
Q: WHAT WOULD HAVE A LARGER RADIUS F- OR N3-
A: Atomic radius is directly proportional to the number of electrons. In case when the number of…
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A: Given: Distance between the stars =d= 0.5 AU + 0.125 AU Aperture = D = 2.4 m Distance of starts…
Q: A star is observed to have a parallax of 0.05". If we were to send a radio signal towards this star…
A: The parallax angle of a star is observed to be θ=0.05''=0.05 arcseconds. Let the distance to the…
Q: is 0.218 arcseconds, then the distance of the body from the Earth in astronomical units is * O…
A:
Q: The mass of a star is 1.99·1031 kg and its angular velocity is 1.60E-7 rad/s. Find its new angular…
A: Given data: The mass of the star is m=1.99x1031 kg. The initial angular velocity of the star is…
Q: The life expectancy E of a main-sequence star depends on its mass M. The relation is given by the…
A: Given:Formula for life expectancy of a main-sequence star: E=M-2.5Sun's total life expectancy: 10…
Q: Raising a number in scientific notation to a power is easy: (5 x 105)2 = (5)² x (105)2 = 5 x 5 x 105…
A: Given data: Radius of sun (R) = 7×105 km Mass (m) = 2.0×1030 kg π = 3.14 Required: The volume in…
Q: 13) Calculate the luminosity in watts from the absolute magnitude for the given stars: (b) Sirius (M…
A: The luminosity of a star or an astronomical object is defined as the energy radiated per unit of…
Q: where does 3.6 come from?
A: given that,A 56 kg student traveling in a car with a constant velocity has a kinetic energy of 1.3…
Q: Which of the following is least reasonable regarding the magnitude scale: Group of answer choices…
A: The magnitude scale in astronomy helps us to quantify the brightness and distance of celestial…
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A: A solar eclipse occurs when the Moon passes between the Sun and Earth, and when the Moon fully or…
Q: Calculate by how many times Betelgeuse is brighter than the Sun, if its parallax is 0.006 arcsec,…
A: The objective of the question is to calculate how much brighter Betelgeuse is compared to the Sun.…
Q: If a binary star system has a 0.1M⊙ star and a 10.0M⊙ star with a measured periastron and apastron…
A:
Q: If we view a star now, and then view it again 6 months later, our position will have changed by the…
A:
Q: Which of the following statements about parallax is not true? A You can demonstrate parallax simply…
A: There are statements about the parallax are given in different options. It is required to determine…
Q: You measure a star to have a parallax angle of 0.12 arc-seconds What is the distance to this star in…
A: Write the given values of the problem- Parallax angle=0.12 arc-second
Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint:…
A: Given data: The speed of light c = 1.86 × 105 miles/s No. of days in a year = 365 days
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