Astronomy Midterm
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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| A convenient method to write very large numbers is to use scientific notation. True or False | show 🗑
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| show | False (Chapter 1)
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| show | False (Chapter 1)
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| show | True (Chapter 1)
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| show | 5.362 × 10^9 km
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| Which is the correct order of the planets, moving from closest to the Sun to farthest from the Sun? | show 🗑
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| What does the above image (Figure 1) represent? | show 🗑
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| Which of these planets is approximately the same size as Earth? | show 🗑
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| Since Mars is 1.5 AU from the Sun, how long would it take for sunlight to reach the surface of Mars? | show 🗑
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| What process do scientists use to determine how nature works? | show 🗑
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| show | Beginning of the universe
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| What is Earth’s distance from the Sun? | show 🗑
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| show | Form a hypothesis
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| The constellations are an ancient heritage handed down for thousands of years as ways to tell stories of mythical heroes and monsters. True or False | show 🗑
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| The scale of apparent visual magnitudes extends into negative numbers to represent the faintest objects in the sky True or False | show 🗑
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| The nadir marks the point of the celestial sphere directly above your head. True or False | show 🗑
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| The International Astronomical Union established 88 constellations that represent a defined area of the sky . True or False | show 🗑
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| show | True (Chapter 2)
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| show | False (Chapter 2)
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| show | Big Dipper
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| Due to the cycle of precession, in 12,000 years, which star will replace Polaris as the guiding North Star? | show 🗑
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| show | Spring
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| . Day and night cycles are caused by the ____ of Earth. | show 🗑
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| show | Ecliptic
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| Which planet is often called our most brilliant “morning star”? | show 🗑
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| . What is the name of constellations that appear to never rise or set? | show 🗑
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| show | False (chapter 3)
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| show | True (chapter 3)
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| show | True (chapter 3)
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| There is one side of the Moon that can never be seen directly by observers on Earth. True or False | show 🗑
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| show | True (chapter 3)
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| We landed on the moon. True or False | show 🗑
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| show | The changing Moon between third quarter and new moon
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| show | Umbra and Penumbra
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| What does a waxing gibbous moon mean? (Remember: wax on, wane off) | show 🗑
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| What gives the Moon a coppery glow during a total eclipse? | show 🗑
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| show | Sun's corona
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| At what point is the Moon farthest away from Earth? | show 🗑
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| show | total and annular solar eclipses.
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| show | when the moon blocks 100% of the solar disk.
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| show | when the Moon passes through the Earth's shadow
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| What is the safest way or method to observe a solar eclipse? | show 🗑
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| show | True (chapter 4)
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| show | False (chapter 4)
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| show | True(chapter 4)
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| show | Hipparchus
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| show | Stonehenge
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| The 99 years that revolutionized Astronomy ended with whose death? | show 🗑
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| show | Aristotle
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| Kepler’s second law of planetary motion states “A line from a planet to the Sun sweeps over equal areas in equal intervals of ____.” | show 🗑
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| show | A general description of some aspect of nature that has been thoroughly tested and widely accepted
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| show | The position of Earth in the Universe.
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| Why did Copernicus hesitate to consider alternatives to the Ptolemaic Universe? | show 🗑
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| show | Aristarchus of Samos
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| show | Venus
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| Newton’s first law of motion is essentially a restatement of Galileo’s law of inertia. True or False | show 🗑
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| Spring tides occur during the new and full lunar phases. True or False | show 🗑
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| There is no gravity in space True or False | show 🗑
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| The second postulate of special relativity states that the speed of light, when measured in a vacuum, is constant for all observers. True or False | show 🗑
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| show | True (chapter 5)
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| In contradiction to the teachings of Aristotle, Galileo found that an object with no forces (and no friction) acting on it will ____. | show 🗑
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| The ____ of an object is a measure of the amount of matter it contains. The ____ is a measure of the gravitational force on an object | show 🗑
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| A(n) ____ orbit is one where the orbiting object is always above the same location on Earth's surface. | show 🗑
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| show | new moon and full moon.
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| show | providing an explanation of gravity based on the geometry of curved space-time
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| Kinetic energy refers to the energy of a(n)____. | show 🗑
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| show | Potential
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| show | False (chapter 6)
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| show | False (chapter 6)
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| show | False (chapter 6)
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| The Greenbank Telescope is in WV. True or False | show 🗑
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| show | RED
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| show | GAMMA
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| Which form of electromagnetic radiation is able to easily reach Earth’s surface through an atmospheric window? | show 🗑
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| Why are X-rays and gamma rays considered dangerous forms of light? | show 🗑
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| Which part of a telescope is responsible for magnifying an image? | show 🗑
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| show | color
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| show | DISH
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| show | Hubble Space Telescope (HSP)
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| show | Fourier transform
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| show | The diameter of its aperture, or opening
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| Which telescope is the largest refracting telescope in the world? | show 🗑
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| show | False (chapter 7)
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| An atom that has gained one or more electrons is called an isotope. True or False | show 🗑
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| The number of protons in the nucleus determines which element it is. True or False | show 🗑
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| show | False (chapter 7)
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| The terms “temperature” and “heat” are synonymous. True or False | show 🗑
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| show | False (chapter 7)
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| An atom that has lost or gained one or more electrons is called a(n) ____. | show 🗑
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| show | concentrated in the nucleus
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| A neutral atom must have ____ | show 🗑
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| The particle in an atom that carries a negative charge is the ____. | show 🗑
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| Atoms that have the same number of protons but a different number of neutrons are called ____. | show 🗑
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| An atom must emit a photon when a(n) ____. | show 🗑
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| The photons coming from an excited gas create a(n) ____ | show 🗑
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| show | Absorptions
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| show | motion of an object toward or away from the observer
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| A spectrum that displays a smooth variation in intensity of all wavelengths without any breaks is a(n) ____ spectrum | show 🗑
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| The photons coming from an excited gas create a(n) ____ spectrum. | show 🗑
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| The star Betelgeuse appears red; the star Rigel appears blue. What accounts for this difference? | show 🗑
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