Astronomy Today (9th Edition)
9th Edition
ISBN: 9780134450278
Author: Eric Chaisson, Steve McMillan
Publisher: PEARSON
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Chapter 2, Problem 4MC
To determine
The correct option, from the following options, that the sketch of Jupiter's orbit around the Sun will show.
(a) the Sun far off center
(b) an oval twice as long as it is twice
(c) a nearly perfect circle
(d) phases
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If you lived on Saturn, which planets would exhibit retrograde motion like that observed for Mars from Earth?
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Chapter 2 Solutions
Astronomy Today (9th Edition)
Ch. 2 - Prob. 1DCh. 2 - Prob. 2DCh. 2 - Prob. 3DCh. 2 - Prob. 4DCh. 2 - Prob. 5DCh. 2 - Prob. 6DCh. 2 - Prob. 7DCh. 2 - Prob. 8DCh. 2 - Prob. 9DCh. 2 - Prob. 10D
Ch. 2 - Prob. 11DCh. 2 - Prob. 12DCh. 2 - Prob. 13DCh. 2 - Prob. 14DCh. 2 - Prob. 15DCh. 2 - Prob. 1MCCh. 2 - Prob. 2MCCh. 2 - Prob. 3MCCh. 2 - Prob. 4MCCh. 2 - Prob. 5MCCh. 2 - Prob. 6MCCh. 2 - Prob. 7MCCh. 2 - Prob. 8MCCh. 2 - Prob. 9MCCh. 2 - Prob. 10MCCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8P
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- A)At what altitude would a geostationary sattelite need to be above the surface of Mars? Assume the mass of Mars is 6.39 x 1023 kg, the length of a martian solar day is 24 hours 39minutes 35seconds, the length of the sidereal day is 24hours 37minutes 22seconds, and the equatorial radius is 3396 km. The answer can be calculated using Newton's verison of Kepler's third law.arrow_forwardI. Directions: Complete the given table by finding the ratio of the planet's time of revolution to its radius. Average Radius of Orbit Times of Planet R3 T2 T?/R3 Revolution Mercury 5.7869 x 1010 7.605 x 106 Venus 1.081 x 1011 1.941 x 107 Earth 1.496 x 1011 3.156 x 107 1. What pattern do you observe in the last column of data? Which law of Kepler's does this seem to support? II. Solve the given problems. Write your solution on the space provided before each number. 1. You wish to put a 1000-kg satellite into a circular orbit 300 km above the earth's surface. Find the following: a) Speed b) Period c) Radial Acceleration Given: Unknown: Formula: Solution: Answer: Given: Unknown: Formula: Solution: Answer: Given: Unknown: Formula: Solution: Answer:arrow_forwardProminent on photos of Jupiter, is a large, reddish oval feature, named the Great Red Spot. How could this major feature be utilized to determine the rotation period of the planet?arrow_forward
- GM What is the orbital velocity and period of a ring particle at the outer edge of Saturn's A ring? (Note: The radius of the edge of the A ring is 136,500 km. Hint: Use the formula for orbital velocity, V. = v orbital velocity km/s period hrarrow_forwardCompute for the scale height of a certain planet's atmosphere (the height the atmosphere would have if its density stayed constant instead of decreasing with altitude.) express your answer in meters. No unit is required for the final answer. radius of the planet = 6,371 km : density of air = 1.21 kg/m^3 Please answer asap.arrow_forwardHow long (in Earth-Years) does it take Saturn to orbit the Sun? Use these values of (average) distance to the Sun. Venus: .72 A.U. Saturn: 9.5 A.U. Give your answer in (Earth) years to the correct number of significant figures.arrow_forward
- 8) When falling through the Martian atmosphere on its parachute (21.5m in diameter, making a circle of 363 m²), Perseverance (1025kg, or 3800N in Martian gravity of 3.71m/s?) fell at about 90 m/s once it had slowed as much as it was going to slow. The thin atmosphere is only about 15g/m² (compared to 1290g/m² for Earth), so a parachute was never going to be enough on its own, hence rockets being used for the last bit of arrival. What was the drag coefficient of the parachute?arrow_forwardIf you lived on Mars, which planets would describe retrograde loops? Which would never be visible as crescent phases?arrow_forwardHow can Jupiter have a liquid interior and not have a definite liquid surface?arrow_forward
- Which is the phase of Venus when it is closest? Which when farthest? How do you know?arrow_forwardWhat is the angular diameter of Jupiter as seen from Callisto? From Amalthea? Relevant data can be found in Celestial Profile 7 and Appendix Table A-11. (Hint: Use the small-angle formula in Reasoning with Numbers 3-1.)arrow_forwardSaturn’s A, B, and C Rings extend 75,000 to 137,000 km from the center of the planet. Use Kepler’s third law to calculate the difference between how long a particle at the inner edge and a particle at the outer edge of the three-ring system would take to revolve about the planet. Enter the value you get from the ratio of the period of the inner edge to the outer edge of the rings.arrow_forward
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