21ST C ASTRO EBOOK+SW5=SS+VGCRD+LEARN/DO
6th Edition
ISBN: 9780393870152
Author: PALEN
Publisher: Norton, W. W. & Company, Inc.
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Chapter 10, Problem 7QP
To determine
The quantity that can be measured using occultation.
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When tidal bulges are NOT in a direct Earth-moon line but slightly ahead of the moon,
a.
Earth’s gravity weakens.
b.
their gravitational field pulls the moon forward in its orbit, causing it to recede from Earth.
c.
their gravitational field pulls the moon back in its orbit, causing the moon to fall toward Earth.
d.
Earth’s gravity strengthens, causing the moon to orbit faster.
e.
the tidal bulges have no effect on the moon.
19 A planet is detected via the Doppler technique. The velocity change of the star is a measure of
A The planet's size and density.
B
C
D
E
The planet's mass and orbital distance.
The planet's orbital period and eccentricity.
The planet's mass and composition.
The planet's size and orbital distance.
The dwarf planet Pluto was discovered in 1930.
Since that time, which jovian planet has completed a full revolution around the Sun?
a. Jupiter
b. Saturn
c. Uranus
d. Neptune
e. More than one of the above
Chapter 10 Solutions
21ST C ASTRO EBOOK+SW5=SS+VGCRD+LEARN/DO
Ch. 10.1 - Prob. 10.1CYUCh. 10.2 - Prob. 10.2CYUCh. 10.3 - Prob. 10.3CYUCh. 10.4 - Prob. 10.4CYUCh. 10.5 - Prob. 10.5CYUCh. 10 - Prob. 1QPCh. 10 - Prob. 2QPCh. 10 - Prob. 3QPCh. 10 - Prob. 4QPCh. 10 - Prob. 5QP
Ch. 10 - Prob. 6QPCh. 10 - Prob. 7QPCh. 10 - Prob. 8QPCh. 10 - Prob. 9QPCh. 10 - Prob. 10QPCh. 10 - Prob. 11QPCh. 10 - Prob. 12QPCh. 10 - Prob. 13QPCh. 10 - Prob. 14QPCh. 10 - Prob. 15QPCh. 10 - Prob. 16QPCh. 10 - Prob. 17QPCh. 10 - Prob. 18QPCh. 10 - Prob. 19QPCh. 10 - Prob. 20QPCh. 10 - Prob. 21QPCh. 10 - Prob. 22QPCh. 10 - Prob. 23QPCh. 10 - Prob. 24QPCh. 10 - Prob. 25QPCh. 10 - Prob. 26QPCh. 10 - Prob. 27QPCh. 10 - Prob. 28QPCh. 10 - Prob. 29QPCh. 10 - Prob. 30QPCh. 10 - Prob. 31QPCh. 10 - Prob. 32QPCh. 10 - Prob. 33QPCh. 10 - Prob. 34QPCh. 10 - Prob. 35QPCh. 10 - Prob. 36QPCh. 10 - Prob. 37QPCh. 10 - Prob. 38QPCh. 10 - Prob. 39QPCh. 10 - Prob. 40QPCh. 10 - Prob. 41QPCh. 10 - Prob. 42QPCh. 10 - Prob. 43QPCh. 10 - Prob. 44QPCh. 10 - Prob. 45QP
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- 1. The diameter of the Sun is equal to 1.392 × 10⁹ m, and the distance from the Sun to Saturn is equal to 9.5 AU. Suppose you want to build an exact scale model of the solar system, and you are using a volleyball with average diameter of 21 cm to represent the Sun.arrow_forward2. During a sunrise, the Sun appears to "rise up" from the horizon. Why does this happen? A. Earth is spinning on its axis. B. The Sun is circling around Earth C. The Sun is moving closer to Earth. D. Earth is revolving around the Sun. Explanation:arrow_forwardWhich of the following is NOT a dwarf planet? a. Pluto b. Eris c. Vesta d. Ceres e. Haumea The Earth's magnetic field keeps our planet's a. temperature from rising too much b. moon in its current orbit c. atmosphere safe from the solar wind d. spin axis from wobbling too mucharrow_forward
- The Schwarzschild radius of our sun is a. 3 km. b. 6 km. c. 9 km. d. 30 km.arrow_forwardWhich statement describes the sun's position relative to planetary orbits? A. The sun is at the center of each planet's circular orbit. B. The sun is midway between the foci of each planet's elliptical orbit. C. The sun is one focus of each planet's elliptical orbit. D. The sun alternates between the two foci of planetary orbits.arrow_forward21. The smallest planet in the solar system isA. Mercury. B. Mars. C. Uranus. D. Venus.arrow_forward
- Saturn, as viewed through a telescope, appears as a a. spherical and heavily cratered object. b. bland and nearly featureless disk. c. disk composed of brightly colored belts and bands. d. highly elliptical and bright blue disk.arrow_forwardThe rings of Uranus were discovered a. during an occultation (an eclipse) of a star. b. during an eclipse of one of the moons by the rings. c. during an eclipse of Uranus by the rings. d. as Uranus and the rings passed behind Jupiter. e. by the Voyager 1 spacecraft.arrow_forwardThe only other place in the solar system besides Earth where it rains and snows is a. Mars b. Titan c. Enceladus d. Triton e. Europa The only moon in our solar system that underwent binary capture by its planet is a. our Moon b. Io c. Europa d. Tritonarrow_forward
- 9 The discovery of Eris A Was not surprising, because the existence of a massive "Planet X" had been predicted nearly a century ago. B Was surprising, due to its "backwards" orbit around the Sun. C Was surprising, since we thought we knew about all large objects in the solar system. Was not surprising, because other Kuiper belt objects approaching the size of Pluto had already been discovered. Darrow_forward1. Simone knowsthat there are more hours of daylight during the summer season. Which of the following is a possible combination of daylight and darkness during one rotation of Earth on its axis in the summertime? A. 8 hours of daylight; 4 hours of darkness B. 275 days of daylight; 90 days of darkness C. 14 hours of daylight; 10 hours of darkness D. 90 days of daylight; 0 days of darkness Explanation:arrow_forward19. A laser beam takes 0.024s to jravel from a rocket to the reflective surface of a planet and back to the rocket. How far is the rocket from this planet's surface? a) 2400 km b) 1200 km c) 1800 km d) 3600 km e) 4800 km Class commarrow_forward
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