Chapter 22: Origin of Modern Astronomy Flashcards
Which Greek first proposed that the sun was the center of the universe?
A. Aristotle
B. Aristarchus
C. Anaxogoras
D. Hipparchus
B. Aristarchus
One astronomical unit averages about
A. 93 million kilometers.
B. 150 million kilometers.
C. 210 million kilometers.
D. 300 million kilometers.
B. 150 million kilometers.
During which month is Earth farthest from the sun?
A. January
B. April
C. July
D. October
C. July
In the year 14,000, Earth’s axis will point toward
A. Polaris.
B. Vega.
C. the sun.
D. the moon.
B. Vega.
When is the moon nearest to Earth during its orbit?
A. at apogee
B. at perihelion
C. during an eclipse
D. at perigee
D. at perigee
What type of eclipse occurs when the moon casts its shadow on Earth?
A. lunar
B. sidereal
C. solar
D. synodic
C. solar
During the period that the moon’s phases are changing from new to full, the moon is
A. waning.
B. approaching Earth.
C. waxing.
D. receding from Earth.
C. waxing.
The large, dark regions on the moon are called
A. highlands.
B. craters.
C. mountains.
D. maria.
D. maria.
Rilles are associated with which of the following lunar features?
A. craters
B. maria
C. rays
D. highlands
B. maria
The oldest lunar features are
A. highlands.
B. rayed craters.
C. rilles.
D. maria.
A. highlands.
In what solar system model was the sun proposed as the center of the solar system?
A. geocentric model
B. Ptolemaic model
C. heliocentric model
D. retrograde model
C. heliocentric model
What scientist is thought to have been the first to accurately calculate Earth’s size?
A. Aristotle
B. Eratosthenes
C. Hipparchus
D. Aristarchus
B. Eratosthenes
Sir Isaac Newton was the first to formulate and test
A. the law of universal gravitation.
B. the heliocentric solar system model.
C. the accurate size of Earth.
D. the laws of planetary motion.
A. the law of universal gravitation.
What scientist was the first to use a telescope in astronomy, which was used to discover the moons of Jupiter and sunspots?
A. Johannes Kepler
B. Nicolaus Copernicus
C. Tycho Brahe
D. Galileo Galilei
D. Galileo Galilei
The movement of Earth’s axis, which traces a circular pattern, is known as
A. rotation.
B. revolution.
C. precession.
D. perihelion.
C. precession.