If a trillion (1012) asteroids, each 9 km in diameter, were assembled into one spherical body, how large (in km) would it be? (Note: The volume of a sphere = km Compare that body's size to the size of Earth given in its celestial profile. dEarth
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Q: If a trillion (1012) asteroids, each 9 km in diameter, were assembled into one spherical body, how…
A:
Q: If a trillion (1012) asteroids, each 9 km in diameter, were assembled into one spherical body, how…
A: Number of asteroids = 1012 Diameter = 9 km
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- 4) Science fiction movies often portray asteroid belts as crowded, dense regions that require spaceships to maneuver quickly to get through them. In this problem, we will calculate the fraction of volume in an asteroid belt that is actually occupied by asteroids. a) If there are 300,000 large asteroids between 2 and 3 AU from the Sun, and each asteroid is assumed to be spherical with a radius of 100 km, determine the total volume occupied by asteroids in this region. Recall that the volume of a sphere is given by the equation V = 4TR³ /3. b) Let's assume the region in which these asteroids orbit is an annulus with an inner radius of 2 AU, an outer radius of 3 AU, and a thickness of 2Ro. Determine the volume of this region. Recall that the area of a circle is given by the equation A = TR². Here are two conversions that you'll need: 1 AU = 1.496 × 108 km and 1 Ro = 6.955 × 105 km. c) What is the ratio of the volume occupied by asteroids to the volume of the asteroid belt (i.e., the…If the velocity of the Solar Wind about 4.0 x 10^2 km/s and the visible tail of a comet of 9.0 x 10^8 km long, how many days does an atom in the solar wind take to travel from the nucleus to the end of the visible tail? (note: 1 day= 86,400 sec) _______ daysWhat is the evidence that suggests asteroids might have geologically active surfaces?
- A typical comet contains some 1013 kg of water ice. How many comets would have to strike Earth in order to account for the roughly 2×1021 kg of water presently found on our planet? (Hint: simple division) If this amount of water accumulated over a period of 500 million years, how frequently must Earth have been hit by comets during that time? (Hint: Calculate, on the average, how many comets hit the Earth per year during that time.)How deep would be the eclipse caused by Jupiter transiting in front of the Solar disk, as observed from a distant star?Assume there are a million asteriods 1 kilometer across or larger in the asteroid belt. Assume all asteroids are perfectly spherical. 1) If a million asteroids 1-kilometer across were all combined into one spherical object, how big would it be across? 2) How many 1-kilometer diameter asteroids would it take to make an object as large as Earth?
- If you were to record the spectrum of Saturn as well as the A ring, you would find light from one edge of the rings redshifted and light from the other edge blueshifted. If you observed a spectral line at a wavelength of 505 nm, what difference in wavelength (in nm) should you expect between the opposite edges of the rings? (Hints: The radius of the edge of the A ring is 136,500 km. Use the formula for orbital velocity,Needs Complete typed solution with 100 % accuracy.If a trillion (1012) asteroids, each 7 km in diameter, were assembled into one spherical body, how large (in km) would it be? (Note: The volume of a sphere = km Compare that body's size to the size of Eearth given in its celestial profile. d dEarth