21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 14, Problem 10QP
To determine
The justification for difference in the time periods.
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Students have asked these similar questions
2. 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:
Which 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.
Use the table to answer questions 13 through 15.
A student collects the following data about the Sun, stars, moon, and Earth.
Time of Day Sun Visible Moon Visible Stars Visible
5 am
Sun Location
Near horizon
Above horizon
Overhead
Yes
No
Yes
10 am
No
Yes
No
No
1 pm
5 pm
9 pm
Yes
No
Near horizon
No
Yes
No
Not visible
No
Yes
Yes
O What research question is the student investigating?
A. How long does it take Earth to rotate on its axis?
B. Does the moon rotate at a faster rate than Earth does?
C. How do the locations of the stars relate to the moon?
D. What is the relationship between time of day and seeing objects in
the sky?
Chapter 14 Solutions
21st Century Astronomy
Ch. 14.1 - Prob. 14.1ACYUCh. 14.1 - Prob. 14.1BCYUCh. 14.2 - Prob. 14.2CYUCh. 14.3 - Prob. 14.3CYUCh. 14.4 - Prob. 14.4CYUCh. 14 - Prob. 1QPCh. 14 - Prob. 2QPCh. 14 - Prob. 3QPCh. 14 - Prob. 4QPCh. 14 - Prob. 5QP
Ch. 14 - Prob. 6QPCh. 14 - Prob. 7QPCh. 14 - Prob. 8QPCh. 14 - Prob. 9QPCh. 14 - Prob. 10QPCh. 14 - Prob. 11QPCh. 14 - Prob. 12QPCh. 14 - Prob. 13QPCh. 14 - Prob. 14QPCh. 14 - Prob. 15QPCh. 14 - Prob. 16QPCh. 14 - Prob. 17QPCh. 14 - Prob. 18QPCh. 14 - Prob. 19QPCh. 14 - Prob. 20QPCh. 14 - Prob. 21QPCh. 14 - Prob. 22QPCh. 14 - Prob. 23QPCh. 14 - Prob. 24QPCh. 14 - Prob. 25QPCh. 14 - Prob. 26QPCh. 14 - Prob. 27QPCh. 14 - Prob. 28QPCh. 14 - Prob. 29QPCh. 14 - Prob. 30QPCh. 14 - Prob. 31QPCh. 14 - Prob. 34QPCh. 14 - Prob. 35QPCh. 14 - Prob. 36QPCh. 14 - Prob. 37QPCh. 14 - Prob. 38QPCh. 14 - Prob. 39QPCh. 14 - Prob. 40QPCh. 14 - Prob. 41QPCh. 14 - Prob. 42QPCh. 14 - Prob. 43QPCh. 14 - Prob. 44QPCh. 14 - Prob. 45QP
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- You take the 10:30 pm bus home after studying at the library. While you wait at the bus stop, what phases of the Moon could you possibly see? A. waxing crescent through full Moon B. full Moon through waning crescent O C. new Moon through waxing gibbous D. waxing gibbous through third quarter O E. first quarter through waning gibbousarrow_forward1. The big dipper is part of A. URSA major B. CANIS major C. AQUARIUS D. LIBRA 2. The appearance of this constellation in the East is the first sign of spring A. SCORPIO B. LEO C. PAGASUS D. VIRGO 3. What is the red star in the constellation orion? A. SIRIUS B. BETELGEUES C. RIGEL D. LEO In the United States when can you see the orion in the evening? A. Summer B. winter C. Spring D. All year rounds 5. What is the largest constellation? A. Andromeda В. Нydra C. Orion D. Ursa Minor 6. The very bright stars alpha Centauri and Beta Centauri point towards A. The big Dipper B. The southern cross C. The milky way D. Galaxy 7. Sirius the brightest star of all, is in A. Canis major B. Corona Borealis C. Scorpius D. All of the above 8. The zodiac Marks A. Star cluster that are visible all night B. A ring of the brightest star in the night sky C. The path the sun appears to take through the sky D. None of the above 9. How many official constellations are there? 4. A. 48 В. 8 С. 12 D. 21 10. The…arrow_forwardH3. A total lunar eclipse is observed on December 31. Predict the next lunar eclipse. A total lunar eclipse will occur when the full moon and the nominal orbit of the moon line up together (The solution of two equations). From the following data algebraic equation for the phase of the moon and nominal orbit of the moon can be formed. A new moon (0%) was observed on December 17 and the full moon (10%) was observed on December 31 along with the nominal orbit of the moon (0%). The brimming orbit of the moon (100%) was observed on November 29. When the two equations are equal a lunar eclipse will occur. How many days from December 31 will next lunar eclipse occur? Given the coming year is a leap year - on what dates will the next 4 total lunar eclipses occur? Show the algebraic solution, any information you use.arrow_forward
- A star that is moving toward Earth will a. have its spectral lines shifted to the red. b. have its spectral lines shifted to the blue. c. appear hotter than it actually is. d. appear cooler than it actually is. e. appear dimmer than it actually is.arrow_forward9. A Saturn year is 29.5 times the earth year. How far is the Saturn from the sun if the earth is 1.50 x 10° km away from the sun?arrow_forward5. We observe an increase in brightness of a star that is 5.81×10¹⁹ m away. How long ago did the actual increase in brightness take place, in years? Find the time that is required for light to reach the Earth.arrow_forward
- Why is a sidereal day shorter than a solar day? O A. precession of Earth's axis B. the non-circular orbit of Earth around the Sun C. the tilt of Earth's axis D. the combined effect of the rotation of Earth and its orbit about the Sun E. Earth year being a non-integer number of Earth daysarrow_forwardIf you live at a location on the Earth’s northern hemisphere, when will the longest day of the year be? a.vernal equinox b.winter solstice c.summer equinox d.summer solstice e.winter equinox The history of the universe described by the Big Bang theory is separated into different eras. During which era was the predominant temperature of the Universe about 1 million Kelvin? a.The Plank Era b.The GUT Era c.The Electroweak Era d.The Era of Nuclei e.The Era of Atoms Some planets have very strong magnetic fields. What features must a planet have to cause this? a.both rapid rotation and a conducting liquid core b.only a rapid rotation c.only a liquid conducting core d.both a rapid rotation and a solid metallic core e.only a metallic corearrow_forwardAs a star collapses, the conservation of angular momentum states that it will spin a. faster. b. slower. c. at the same rate. d. slower, then faster. e. faster, then slower.arrow_forward
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