Explain why Galileo's discovery of the four Galilean moons of Jupiter helped disprove the geocentric model of the solar system.
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Explain why Galileo's discovery of the four Galilean moons of Jupiter helped disprove the geocentric model of the solar system.
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- A synchronous satellite, which always remains above the same point on a planet's equator, is put in circular orbit around Mars so that scientists can study a surface feature. Mars rotates once every 24.6 h. Use the data of this table to find the altitude of the satellite. ___KmKepler's 1st law says that our Solar System's planets orbit in ellipses around the Sun where the closest distance to the Sun is called perihelion. Suppose I tell you that there is a planet with a perihelion distance of 2 AU and a semi-major axis of 1.5 AU. Does this make physical sense? Explain why or why not.Describe the retrograde motion of mars and how it was explained in terms of both a heliocentric and geocentric model of the solar system. Key terms to be included: relative velocitys of earth and mars, background stars and epicycles
- Which of the following was NOT done by Galileo Galilei? A. discovering four large moons around Jupiter B. turning the telescope to the sky and believing what it showed his eyes C. explaining retrograde motion with the heliocentric hypothesis D. resolving the Milky Way into many, many stars E. discovering that Venus goes through phases (like the Moon)A spacecraft starts out in an eastward-moving circular orbit around Jupiter. It then burns its engines and increases its speed beyond Jupiter's escape speed - and it does this while it's over Jupiter's night hemisphere. Which of the following might be its destination? Uranus the Sun Mars EarthI would like you to compare the size of some of the largest moons of the solar system to their host planets. Using diameters of 12,700 km, and 140,000 km, 116,000 km for Earth, Jupiter, and Saturn respectively, please provide the ratios of the following moons to their host planets (you can use Table 12.1 from the book to get the diameters of the moons): Luna (Earth's moon), Io, Callisto, Ganymede, Europa, and Titan. After collecting those ratios, please tell me one thing that you notice that stands out about those results.