If a pulsar’s period is 0.05 seconds, how many times does it spin in one day?
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A: Given parallex(p)=2 arc second
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A: Mass of the dwarf planet = 0.98 solar mass = 1.96 * 1033 gm…
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Q: what would its period (in s) be if no mass were ejected and a sphere of uniform density can model HD…
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Q: The star Spica is observed to have a parallax of 0.012000. How far away is it in parsecs answers to…
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A: Here we will find the magnitude of the given expression.
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Q: The radius of the Earth's orbit is 1.50 1011 m and that of Mars is 2.28 1011 m. The star that this…
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Q: 1. When a contracting ball of hot gas spins into a disk shape, it cools. Why?
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Q: Which point in the stars orbit corresponds to the point marked in the radial velocity curve?
A: Required : The correct option.
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A: Ques: Two small celestial bodies are sitting 100 miles apart. If they are somehow moved so that they…
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Q: How many times dimmer is a star with magnitude +3 compared with the planet Mars with a magnitude of…
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Q: Two stars are found to orbit each other once every 6.00 months. If the orbital radius (distance)…
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Q: White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and its density is about 2…
A: It is given that, M=0.98 solar mass=0.98×1.989×1030 kg=1.95×1030 kgρ=2×106 g/cm3=2×106×103…
Q: A star has a parallax of 0.2 seconds of arc. What is the distance of the star?
A: The change in the apparent position of an object with a change in position of the observer is called…
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Q: If you visited a spherical asteriod 19 x 103 km (convert to m) in radius with a mass of 10.5 x 1019…
A: Given: a spherical asteroid with a radius of r=19 x 103 km=19×106 m, and a mass of M=10.5 x 1019…
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