Chapter One
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Precession
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| show | The Moon
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| show | The south circumpolar zone
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| show | because the Earth is going around the Sun in the course of a year
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| show | Cygnus
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| show | In the constellation Gemini
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| show | All of them
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| Which of the following best describes the Tropic of Cancer? | show 🗑
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| The 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called: | show 🗑
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| show | summer solstice
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| Among these stars with their corresponding apparent magnitudes, Vega (0.03), Arcturus (-0.05), Capella (0.08), and Rigil Kentaurus (-0.01), which stars are the dimmest and the brightest respectively? | show 🗑
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| What would you have to change about the Earth to stop our planet from having significantly different seasons? | show 🗑
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| show | september 23
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| show | equinoxes
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| show | a solar day
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| If you want to locate someone precisely on the surface of the Earth, you specify her exact latitude and longitude. If you want to locate a star precisely on the sky, you need to specify its exact: | show 🗑
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| show | the ecliptic
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| show | the planet on which we live is rotating
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| Suppose you live at latitude 40°N. Which of the following describes the conditions that make a star circumpolar? | show 🗑
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| The south celestial pole and the north celestial pole lie in the sky directly above the | show 🗑
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| show | Jacksonville, Florida (30º 22' N).
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| Which of the following was NOT done by Hipparchus, the great ancient astronomer? | show 🗑
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| From horizon to opposite horizon, the sky takes up how much angular distance? | show 🗑
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| The star that is currently closest to the North Celestial Pole is: | show 🗑
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| What is a circumpolar star? | show 🗑
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| The "prime meridian" (where longitude equals zero) passes through: | show 🗑
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| While watching a star, you see it moves 15 degrees across the sky. How long have you been watching it? | show 🗑
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| The Sun's apparent path around the celestial sphere is called | show 🗑
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| show | latitude of the observer
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| show | zenith
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| show | Procyon, Betelgeuse, and Sirius
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| show | The Moon can never leave it, but moves twelve times faster than the Sun.
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| Where on Earth can you observe all the stars in the sky over an entire year? | show 🗑
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| A star with a right ascension of 2.0 hours will rise | show 🗑
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| show | a half-circle extending from your horizon due north, through your zenith, to your horizon due south
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| show | are in the north circumpolar zone throughout the year
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| show | Sacramento, California (38º 35'N).
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| show | The sidereal day includes both the Earth's rotation and revolution around the Sun
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| Which of the following is the reason for the solar day being longer than a sidereal day | show 🗑
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| show | 24 hours
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| show | celestial equator
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| You note that a particular star is directly overhead. It will be directly overhead again in | show 🗑
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| show | The zodiac
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| If your astrological sign is Aries, the Sun should be in the constellation Aries on your birthday. The dates, according to astrological tradition, during which the Sun is in the constellation Aries are March 21 to April 20th. which constellation sun in | show 🗑
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| show | a few thousand
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| show | the Sun's rays hit the Earth more directly in the Summer, and spread out less
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| If Taurus is now rising at sunset, which constellation will rise at sunset next month? | show 🗑
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| show | It is measured eastward in units of time.
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| show | in late december
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| Within a constellation, a recognizable pattern of stars is often called: | show 🗑
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| show | all of the above
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| Which of the following statements about the celestial sphere is not true? | show 🗑
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| Where on Earth do stars always circle the zenith (and never rise and set)? | show 🗑
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| show | it is very similar to the latitude on earth
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| Suppose the date is March 21 and the Sun passes through your zenith at noon. Where are you? | show 🗑
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| show | 5:30 pm
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| show | directly east
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| Why do some different contellations appear in the sky each seaon? | show 🗑
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| show | gemini
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
skeletalspooks