What would the angle between the Sun and the Earth be if the solar system were viewed from a distance of 1 pc?

Q: Earth is about 150 million kilometers from the Sun, and the apparent brightness of the Sun in our…

A: Distance of earth from sun, dE = 150 x106 km Apparent brightness of sun at earth distance is BE =…

Q: The Sun's angular diameter is measured to be 1920". The distance D of the Sun from the Earth is…

A: Given that,Sun's diameter : D = 1920'The distance of the sun from the earth : d = 1.496×1011 (m)…

Q: An imperial tie-fighter spaceship is 25 parsecs south of a rebel x-wing ship. If the tie-fighter…

A: Given that: d= 25 parsec r=7.72 parsec θ=72° Let the bearing should be ϕ to intercept at an angle…

Q: Considering that Earth experiences an average intensity of sunlight of 1330 W/m? and is at a…

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Q: What is the apparent magnitude of the Sun as seen from Venus at perihelion? What is the apparent…

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Q: Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent…

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Q: From a distance of 300 km above the surface of the Moon, what is the angular diameter in arc seconds…

A: Given data: Distance above the surface of the Moon, d=300 km=300×103m Linear diameter, x=0.80 m…

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: You travel to another star system and meet some aliens. They say there are 146 constellations in the…

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Q: How many light years are in one parsec? (Use at least two significant figures)

A: Distance is Note:Convert the distance in units of .

Q: Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent…

A: The expression for the luminosity of the sun is given as, L=4πd2b

Q: Two stars, named A and B, each with a mass equal to the Sun's mass are in orbit around each other.…

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Q: If we view a star now, and then view it again 6 months later, our position will have changed by the…

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Q: )The apparent brightness of the Earth is inversely proportional to the square of the distance…

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Q: A particular star is 4.5 × 1014 km away from Earth.    What is this distance in light-years (ly)?

A: We know  1 light year = 9.461 × 1012 kilometres

Q: The right ascension and declination of the seven stars of the Big Dipper are given below: Right…

A: GivenThe right ascension and declination of the seven stars of the Big Dipper are given…

Q: The nearest star to our solar system is 4.29 light years away. How much is thisdistance in terms of…

A: Given information:The distance between Earth and the alpha Centauri = 4.29 light years (ly).

Q: The nearest star to our sun is Proxima Centauri, at a distance of 4.3 light-years from the Sun. A…

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Q: An astronomical unit (AU) is defined as the average distance between     the solar system and…

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