Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 3, Problem 36E
What is the average distance from the Sun (in astronomical units) of an asteroid with an orbital period of 8 years?
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Chapter 3 Solutions
Astronomy
Ch. 3 - State Kepler’s three laws in your own words.Ch. 3 - Why did Kepler need Tycho Brahe’s data to...Ch. 3 - Which has more mass: an armful of feathers or an...Ch. 3 - Explain how Kepler was able to find a relationship...Ch. 3 - Write out Newton’s three laws of motion in terms...Ch. 3 - Which major planet has the largest . . . A....Ch. 3 - Why do we say that Neptune was the first planet to...Ch. 3 - Why was Brahe reluctant to provide Kepler with all...Ch. 3 - According to Kepler’s second law, where in a...Ch. 3 - The gas pedal, the brakes, and the steering wheel...
Ch. 3 - Explain how a rocket can propel itself using...Ch. 3 - A certain material has a mass of 565 g while...Ch. 3 - To calculate the momentum of an object, which...Ch. 3 - To calculate the angular momentum of an object,...Ch. 3 - What was the great insight Newton had regarding...Ch. 3 - Which of these properties of an object best...Ch. 3 - Pluto’s orbit is more eccentric than any of the...Ch. 3 - Why is Tycho Brahe often called “the greatest...Ch. 3 - Is it possible to escape the force of gravity by...Ch. 3 - What is the momentum of an object whose velocity...Ch. 3 - Evil space aliens drop you and your fellow...Ch. 3 - A body moves in a perfectly circular path at...Ch. 3 - As friction with our atmosphere causes a satellite...Ch. 3 - Use a history book, an encyclopedia, or the...Ch. 3 - Two asteroids begin to gravitationally attract one...Ch. 3 - How does the mass of an astronaut change when she...Ch. 3 - If there is gravity where the International Space...Ch. 3 - Compare the density, weight, mass, and volume of a...Ch. 3 - If identical spacecraft were orbiting Mars and...Ch. 3 - By what factor would a person’s weight be...Ch. 3 - Suppose astronomers find an earthlike planet that...Ch. 3 - What is the semimajor axis of a circle of diameter...Ch. 3 - If 24 g of material fills a cube 2 cm on a side,...Ch. 3 - If 128 g of material is in the shape of a brick 2...Ch. 3 - If the major axis of an ellipse is 16 cm, what is...Ch. 3 - What is the average distance from the Sun (in...Ch. 3 - What is the average distance from the Sun (in...Ch. 3 - In 1996, astronomers discovered an icy object...
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- What is the average distance from the Sun (in astronomical units) of a planet with an orbital period of 45.66 years?arrow_forwardWhat is the orbital period of a satellite orbiting just above the surface of the asteroid in Problem 11?arrow_forwardComet Halley (Fig. P11.21) approaches the Sun to within 0.570 AU, and its orbital period is 75.6 yr. (AU is the symbol for astronomical unit, where 1 AU = 1.50 1011 m is the mean EarthSun distance.) How far from the Sun will Halleys comet travel before it starts its return journey?arrow_forward
- What is the period of revolution about the Sun for an asteroid with a semi-major axis of 3 AU in the middle of the asteroid belt?arrow_forwardEros has an elliptical orbit about the Sun, with a perihelion distance of 1.13 AU and aphelion distance of 1.78 AU. What is the period of its orbit?arrow_forwardAn asteroid orbiting the Sun has a semi major axis of 3.0 AU. What is the period of its orbit in years? The asteroid's orbital period is y. Note: Round the final answer to one decimal place.arrow_forward
- Kearney's Comet has a radius of 177. km and orbits the solar system (goes around the Sun) in a circular path. The mass of Kearney's Comet is 1.16 × 1015 kg, and it is a distance of 5.68 × 1012 m from the Sun. How long does it take Kearney's comet to orbit the Sun once? Answer in units of years.arrow_forwardA 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).arrow_forwardTwo satellites one with a mass of 8x10^8kg and the other with mass 6x10^8 are 10x10^10 m apart. What is the gravitational force on the smaller asteroid?arrow_forward
- An asteroid having a distance of 4.3 x 107 m from a planet revolves around it once every 26.7 days. Calculate (a) its angular speed in rad/s; and (b) the distance it travels in its orbit in one day. Draw an Illustration.arrow_forwardAn asteroid circles the Sun at a distance equal to 0.5 times the Earth's distance from the Sun. How many years will it take the asteroid to circle the Sun one time?arrow_forwardThe orbit of a certain asteroid around the sun has period 7.85 yand eccentricity 0.250. Find perihelionarrow_forward
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