EXPLORATIONS:INTRO.TO ASTRONOMY
9th Edition
ISBN: 9781260150513
Author: ARNY
Publisher: RENT MCG
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Chapter 11, Problem 11QFR
To determine
The role of the discovery of Pluto’s moon in studying the planet.
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why pluto was once thought to be a planet but is no longer considered as one?
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.
Enceladus is a moon of Saturn. What unique feature does it possess? which is the correct answer?
Cryovolcanism, where water erupts instead of silicate rock
A dense system of rings
An atmosphere thicker than Earth's
Internal heating due to radioactivity
Has an orbit inside Saturn's rings
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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- Why is Saturn’s moon Enceladus such an exciting place to send a mission?arrow_forwardWhich would have the longer orbital period: a moon 1 million km from the center of Jupiter, or a moon 1 million km from the center of Earth? Why?arrow_forwardShow that the asteroid belt lies between Mars and Jupiter, and indicate to which planet it is closer.arrow_forward
- An Apollo command module orbited the Moon about 100 km above the surface. What was its orbital velocity? What was its orbital period? (Hint: Use the formula for circular velocity, Eq. 5-1a.) (Note: Relevant information can be found in Celestial Profile: The Moon.)arrow_forwardSuppose you were designing a spacecraft that would match course with an asteroid and follow along its orbit. What sorts of instruments would you put on board to gather data, and what would you like to learn?arrow_forwardWhy is it important to study satellites and planetary motion?arrow_forward
- Selected astronomical data for Jupiter's moon Adrastea is given in the table. From these data, calculate the mass of Jupiter (in kg). Moon Orbital Radius (km) Orbital Period (days) Adrastea 1.30 ✕ 105 0.30arrow_forwardWhich of the moons listed in the table experiences the greater gravitational pull from Saturn? How much greater is it? The mass of Saturn is not needed for this problem. Moon Orbital Radius (r) Mass (m) Dione 3.77 ×10⁸ m 1.10 ×10²¹ kg Titan 1.22 ×10⁹ m 1.35 ×10²³ kgarrow_forwardThe diameter of the earth’s moon is 2195 miles. The diameter of Jupiter is 86881 miles. How many of earth’s moons could fit across the diameter of Jupiter? Round your answer to the nearest whole number.arrow_forward
- The Moon orbits Earth in a nearly circular orbit (mean distance is 378,000 km). The moon Charon orbits Pluto in a nearly circular orbit as well (mean distance is 19,600 km). 1. Which moon exhibits the longest orbital period? a) Moon around Earth b) Charon around Pluto c) About the same for both 2. Which celestial body exhibits the smallest escape velocity? a) Earth b) Moon c) Pluto d) Charonarrow_forward14. Saturn's rings a. were created by its incredibly large gravitational capture of asteroids and comets b. have looked basically the same since they formed along with Saturn c. are continually supplied by impacts into small moons d. were created long ago when tidal forces tore apart a large moonarrow_forwardOn the "canteloupe" hemisphere of Neptune's moon Triton, we see channels that were carved by liquid a. water b. lava c. methane d. ammonia e. nitrogen The 2004 landing on Saturn's moon Titan was achieved by the probe called a. Galileo b. Dawn c. Voyager 1 d. Huygens e. New Horizonsarrow_forward
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