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 4 sphere = r.) km Compare that body's size to the size of Earth given in its celestial profile. d. dEarth
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- The planet Uranus was discovered in 1781, and Neptune, the next planet outward from the Sun, was discovered in 1846. Imagine you're an astronomer in 1846, and you start wondering if there's another planet out beyond Neptune. You decide to try and discover its existence using the same method that was used for Neptune. How will you do this? Group of answer choices You'll recruit a large number of astronomers to use their telescopes to carefully scan the sky in directions that are far from the ecliptic. The regions around the north and south celestial poles will probably be the best "hunting grounds" for the new planet. You'll examine Uranus and Neptune very carefully, on every clear night, for several years, to see if you can find any evidence that sunlight has been reflected off of the `new' planet, then off of Uranus or Neptune, before arriving on Earth. On rare occasions when Neptune passes in front of the Sun, as seen from Earth, you'll look carefully at the Sun (with a safe…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?Needs Complete typed solution with 100 % accuracy.
- If a trillion (1012) asteroids, each with a mass of 5 x 1010 kg, were assembled into one spherical body, how massive would the assembled body be? (Enter your answer in kg.) kg Which moon or planet is this body closest in mass to? O Earth O Mercury O MoonIf 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 dEarthWhat is the maximum angular diameter of the largest asteroid, Ceres, as seen from Earth?