EXPLORATIONS:INTRO.TO ASTRONOMY
9th Edition
ISBN: 9781260150513
Author: ARNY
Publisher: RENT MCG
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Chapter 11, Problem 1P
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One of the brightest comets of the 20th century was Comet Hyakutake, which passed close to the sun in early 1996. The orbital period of this comet is estimated to be about 30,000 years. Find the semimajor axis of this comet’s orbit. Compare it to the average sun–Pluto distance and to the distance to Alpha Centauri, the nearest star to the sun, which is 4.3 light-years distant.
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(a)the semimajor axis of the comet (in AU)
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Chapter 11 Solutions
EXPLORATIONS:INTRO.TO ASTRONOMY
Ch. 11 - Prob. 1QFRCh. 11 - Prob. 2QFRCh. 11 - How is a meteor heated?Ch. 11 - Prob. 4QFRCh. 11 - Where are most asteroids found?Ch. 11 - Prob. 6QFRCh. 11 - (11.2) How do we know that asteroids have a...Ch. 11 - Prob. 8QFRCh. 11 - Prob. 9QFRCh. 11 - Prob. 10QFR
Ch. 11 - Prob. 11QFRCh. 11 - Prob. 12QFRCh. 11 - Prob. 13QFRCh. 11 - Prob. 14QFRCh. 11 - Prob. 15QFRCh. 11 - Prob. 16QFRCh. 11 - What creates meteor showers? When do some occur?Ch. 11 - Prob. 18QFRCh. 11 - Prob. 19QFRCh. 11 - Prob. 20QFRCh. 11 - Prob. 1TQCh. 11 - Prob. 2TQCh. 11 - Prob. 3TQCh. 11 - Prob. 4TQCh. 11 - Prob. 5TQCh. 11 - Prob. 6TQCh. 11 - Prob. 7TQCh. 11 - Prob. 8TQCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - Prob. 1TYCh. 11 - Prob. 2TYCh. 11 - Prob. 3TYCh. 11 - Prob. 4TYCh. 11 - Prob. 5TYCh. 11 - Prob. 6TYCh. 11 - Prob. 7TYCh. 11 - Prob. 8TYCh. 11 - Prob. 9TYCh. 11 - Prob. 10TYCh. 11 - Prob. 11TY
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Why is the composition of a comet typically dominated by volatile materials (frozen ices)? choose one of the following: a. rock and metal could not condense out of the solar nebula at extreme distances from the sun b. most of the metal in the solar system is locked up inside the terrestrial planets c. metals are not stable in the outer solar system d. elements that form ices (as opposed to rock & metals) are more abundant in our solar systemarrow_forwardA comet has a period of 75.3 years and moves in an elliptical orbit in which its perihelion (closest approach to the Sun) is 0.640 AU. Find the semimajor axis of the comet and an estimate of the comet's maximum distance from the Sun, both in astronomical units. (a) the semimajor axis of the comet (in AU) (b) an estimate of the comet's maximum distance (in AU) from the Sunarrow_forwardA comet has a period of 70.3 years and moves in an elliptical orbit in which its perihelion (closest approach to the Sun) is 0.620 AU. Find the semimajor axis of the comet and an estimate of the comet's maximum distance from the Sun, both in astronomical units. (a) the semimajor axis of the comet (in AU) (b)an estimate of the comet's maximum distance (in AU) from the Sunarrow_forward
- Why are meteorites of primitive material considered more important than other meteorites? Why have most of them been found in Antarctica?arrow_forwardMeteorites were once part of which type of celestial object?arrow_forwardHow does a comet seem when it is far from the Sun? How does its look alter as it approaches the Sun?arrow_forward
- What are satellites?arrow_forwardWhich of the following about comets is TRUE? a. Cometary orbits always lie close to the ecliptic plane b. Long period comets must originate from well beyond even the Kuiper Belt c. The Oort cloud is the large cloud of gas surrounding a comet nucleus while it is near the Sun d. Tails of comets always lie along the path of the orbitarrow_forwardWhich of the following is (are) true of meteoroids? (17.6) (a) They are small, solid, interplanetary metallic and stony objects. (b) They are usually smaller than a kilometer. (c) They are known as meteors when they enter the Earths atmosphere. (d) They are known as meteorites when they strike the Earths surface. (e) All the preceding are true.arrow_forward
- which of the following planets compositions resembled the sun the mostarrow_forwardOn February 15, 2013, Asteroid 2012 DA14 passed within 17,200 miles [mi] of the surface of the Earth at a relative speed of 7.8 kilometers per second [km/s]. This is considerably closer than the orbit of geosynchronous satellites (26,200 miles). This is the closest recorded approach of an object this large. The asteroid 2012 DA14 was estimated to have a diameter of 30 meters [m] and a specific gravity of 3. If 2012 DA14 had hit the Earth, what is the total amount of energy that would have been released (i.e., what was the kinetic energy of the asteroid)? Express your answer in megatons [Mton]. One megaton is the energy released by one million metric tons of TNT explosive. A metric ton equals 1,000 kilograms [kg], and the explosive energy of TNT is 4,184 joules per gram [J/g].arrow_forward
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