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ASTRONOMY DSST TEST REVIEW
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ASTRONOMY DSST TEST REVIEW
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ASTRONOMYDSST TEST
REVIEW
In the development of _______________ thought, certain original and imaginative
individuals began to make systematic observations of celestial objects to formulate
theories and explain their behavior. - Answers -Astronomical
The _______________ must call upon all his resources of ingenuity and employ more
clever devises than the most astute detective to solve the problems of his business. -
Answers -Astronomer
The first significant development of astronomy as a science took place in ancient
_____________. - Answers -Greece
The earliest Greek scientists were the ______________, who lived in what is now Asia
Minor. - Answers -Ionians
_________________ was originally an Ionian in belief, but later founded a school of
thought of his own regarding the shape of the planets. - Answers -Pythagoras
A member of the Pythagorean school, ______________ was the first to introduce the
concept that the Earth is in motion. - Answers -Philolaus
One of the most famous of the Greek philosophers was ________________. - Answers
-Aristotle
The shape of the _________ in the sky depends simply on how much of its daylight
hemisphere is turned to our view. - Answers -Moon
,_______________ of Samos was the first astronomer of the Alexandrian school and
devised an ingenious method to find the relative distances from the Earth to the sun and
moon. - Answers -Aristarchus
Aristarchus also devised an ingenious technique to determine the relative ___________
of the sun, moon, and Earth. - Answers -Sizes
The _________________ hypothesis states that the Earth orbits the sun and the Earth
is not the center of the universe. - Answers -Heliocentric
The greatest astronomer of ancient times was _________________. - Answers -
Hipparchus
Another Greek astronomer, Cladius ______________, compiled a series of thirteen
volumes on astronomy known as the Almagest. - Answers -Ptolemy
Nicolas _______________ was born in Thorn on the Vistula in Poland. His forte was
mathematics. - Answers -Copernicus
Copernicus's excellence as a mathematician and astronomer gave him the information
to determine values for the distances of the various ____________ from the sun. -
Answers -Planets
After beginning training for a medical career, ______________ found that he had little
interest in the subject and later switched to mathematics. - Answers -Galileo
Galileo's greatest contributions were in the field of ______________. - Answers -
Mechanics
Galileo has often been called the ___________ of modern astronomy. - Answers -
Father
The actual first telescope that attracted much notice was built by the Dutch spectacle
maker ______ _____________ in 1608, but was only about three power. - Answers -
Hans Lippershey
Galileo was the first known astronomer to build a telescope for the specific purpose of
observing and recording celestial bodies. His telescope was about __________ power. -
Answers -Thirty
It was Isaac ____________ who formulated the basic laws of modern mechanics and
showed them to be universal throughout the solar system, applying to the motions of the
celestial objects as well as to objects on the Earth. - Answers -Newton
, Newton is also often credited with developing the next big development in telescopes in
1668 (about sixty years after Galileo's first telescope), the ______________ telescope. -
Answers -Reflecting
Newton's entire system is based on three laws of ____________. - Answers -Motion
In 1905, Albert Einstein published a paper in which he outlined his theory of
______________. - Answers -Relativity
The equatorial circumference of the Earth is ____________ statute miles. - Answers -
24,900
The study of stresses that build up gradually in the crust of the Earth and cause
earthquakes is called ______________. - Answers -Seismology
The ______________ increases about one degree Celsius for every one hundred feet
you go downward into the crust of the Earth. - Answers -Temperature
The chemical composition of the Earth's atmosphere is mostly _____________. -
Answers -Nitrogen
The Earth has a ______________ field similar to that produced by a bar magnet. -
Answers -Magnetic
In 1851, a French physicist named Jean Foucault proved that the Earth rotates through
the use of a ______________. - Answers -Pendulum
The _____________ effect is any apparent deflection in the motion of a body resulting
from the Earth's rotation. - Answers -Coriolis
The Earth's ____________ is a great circle on the Earth's surface halfway between the
North and South Poles. - Answers -Equator
There is also a series of imaginary great circles that pass through the North and South
Poles called _____________. - Answers -Meridians
The ______________ of a place is the number of degrees, minutes, and seconds of arc
along the equator between the meridian passing through the place and the one passing
through Greenwich, England (the Prime Meridian), the site of the old Royal
Observatory. - Answers -Longitude
The ____________ of a specific location is the number of degrees, minutes, and
seconds of arc measured along its meridian starting at the equator. - Answers -Latitude
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