Exam Questions and CORRECT Answers
Extraterrestrial life is defined to be - CORRECT ANSWER - any kind of life found
beyond the Earth
Humanity has been thinking about the possibility of extraterrestrial life - CORRECT
ANSWER - throughout human history since the time of the ancient Greeks
Astronomy has shown us that the fundamental laws of physics are - CORRECT
ANSWER - the same everywhere in the universe
The discovery of any kind of life beyond the Earth would - CORRECT ANSWER - cause
a profound change in perspective of the whole of humanity
Beneath the surface of which moon of Saturn is there evidence for the existence of a subsurface
ocean of liquid water? - CORRECT ANSWER - Enceladus
The ancient view of an Earth-centered geocentric universe suggested that life elsewhere should
be - CORRECT ANSWER - rare
Astrobiology as a field of scientific research, includes contributions from - CORRECT
ANSWER - many different scientific disciplines
Among the other planets, probably the most likely place to find evidence for life either now or in
the past is on - CORRECT ANSWER - Mars
For most of human history it was believed that the Earth was at the center of the universe. This
idea is referred to as - CORRECT ANSWER - geocentric
, The modern view of our place in the universe suggests that life elsewhere may be - CORRECT
ANSWER - common
Apparent retrograde motion occurs when a planet appears to - CORRECT ANSWER -
move westward with respect to background stars
The seven days of the week are related to the - CORRECT ANSWER - Sun, Moon and
five naked eye planets
The Ptolemaic model has planets moving in - CORRECT ANSWER -
smallcircles,thecentersofwhichmoveinalargercircleabouttheEarth
The geocentric model of the Greeks consisted of a - CORRECT ANSWER - spherical
Earth at the center of the universe surrounded by a celestial sphere
In the heliocentric (Sun-centered) model, apparent retrograde motion is due to - CORRECT
ANSWER - relative motion between the Earth and another planet in its orbit
One fundamental consequence of the Copernican model which many people had difficulty
accepting at the time it was proposed was that the Earth - CORRECT ANSWER - must be
moving through space
According to Kepler's Second Law of planetary motion, a planet moves fastest in its orbit when
it is - CORRECT ANSWER - at perihelion
Newton's 3rd Law of Motion states that - CORRECT ANSWER - action and reaction are
equal and opposite
Two asteroids are found at the same distance from the Sun. However, one asteroid is twice as
massive the other. According to Newton's Universal Law of Gravitation the force of gravity
exerted by the Sun and the more massive asteroid is - CORRECT ANSWER - twice as
large as the force exerted on the less massive asteroid