UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER
11th Edition
ISBN: 9781319278670
Author: Freedman
Publisher: MAC HIGHER
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Chapter 4, Problem 24Q
To determine
The comet’s average distance from the Sun and the farthest it can get from the Sun, when a comet with a period of 125 years moves in a highly elongated orbit about the Sun. It is given that; at perihelion it comes very close to the Sun’s surface.
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A comet has a period of 76.3 years and moves in an elliptical orbit in which its perihelion (closest approach to the Sun) is 0.610 AU. Find (a) the semi major axis of the comet and (b) an estimate of the comet's maximum distance from the Sun, both in astronomical units (AU).
The comet Hale-Bopp has an elliptical orbit with the sun at one focus and has an eccentricity of e ≈ 0.995. The length of the major axis of the orbit is approximately 500 astronomical units. (a) Find the length of its minor axis. (b) Find a polar equation for the orbit. (c) Find the perihelion and aphelion distances.
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Chapter 4 Solutions
UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER
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- A comet has a period of 76.3 years and moves in an elliptical orbit in which its perihelion (Closest approach to the Sun) is 0.610 AU. Find (a) the semimajor axis of the comet and (b) an estimate of the comets maximum distance from the Sun, both in astronomical units.arrow_forwardWhat is the period of revolution for a comet with aphelion at 5 AU and perihelion at the orbit of Earth?arrow_forwardThe perihelion of the comet Legerkvist is 2.61 AU and it has a period of 7.36 years. Show that the aphelion for this comet is 4.95 AU.arrow_forward
- A comet orbits a star of mass M = 10^30 kg on an elliptical orbit. At apoapsis(furthest point from the star), the comet is d = 10^15 m from the star, and travels with a speed of v = 10 km/s. What is the comet’s speed at periapsis (closest point to the star) where it is at a distance of d = 10^12 m. Derive a general equation for the comet’s speed, v, before calculating the specific valuearrow_forwardComets travel around the sun in elliptical orbits with large eccentricities. If a comet has speed 2.2×104 m/s when at a distance of 2.6×1011 m from the center of the sun, what is its speed when at a distance of 4.9×1010 m.arrow_forwardKearney's Comet has a radius of 145. km and orbits the solar system (goes around the Sun) in a circular path. The mass of Kearney's Comet is 7.25 × 1015 kg, and it is a distance of 5.97 × 1012 m from the Sun. How long does it take Kearney's comet to orbit the Sun once? Answer in units of years.arrow_forward
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