1
Astronomy 100 Exam 1 Study Guide Questions
with Correct Answers | Updated (100%
Correct Answers)
kepler's second law Answer: the orbital speed of a planet varies so
that a line joining the sun and the planet will sweep over equal
areas in equal time interWith age, adolescents develop a more
sophisticated theory of mind, which is the ability to:
annular eclipse Answer: an eclipse in which the body in front does
not completely cover the other
celestial equator Answer: an imaginary line on the celestial sphere
lying exactly above the earth's equator
celestial pole Answer: an imaginary point on the celestial sphere
directly above the north and south pole
celestial sphere Answer: an imaginary sphere surrounding the earth
representing the sky
constellation Answer: a group of stars in the night sky (88)
eclipse season Answer: the times of the year, separated by about 6
months, when eclipses are possible
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, 2
ecliptic Answer: the path that the sun appears to make around the
celestial sphere as the earth moves along its orbit
equinox Answer: the time of year the sun appears to cross the
celestial equator
horizon Answer: the lines separating the sky from the ground
lunar eclipse Answer: the passage of the earth between the sun and
the moon so that the earth's shadow falls on the moon
model Answer: a theoretical representation of some object or
system
phase Answer: the changing illumination of the moon or other
body that causes the body's apparent shape to change
precession Answer: the slow change in direction of the pole of a
spinning body or of the orientation of an orbit
rotation axis Answer: an imaginary line through the center of a
body about which the body spins
rotation curve Answer: a plot of the rotation velocity of the stars or
gas in a galaxy at different distances from its center
solar eclipse Answer: the passage of the moon between the earth
and the sun so that our view of the sun is partially blocked
© 2025 All rights reserved
Astronomy 100 Exam 1 Study Guide Questions
with Correct Answers | Updated (100%
Correct Answers)
kepler's second law Answer: the orbital speed of a planet varies so
that a line joining the sun and the planet will sweep over equal
areas in equal time interWith age, adolescents develop a more
sophisticated theory of mind, which is the ability to:
annular eclipse Answer: an eclipse in which the body in front does
not completely cover the other
celestial equator Answer: an imaginary line on the celestial sphere
lying exactly above the earth's equator
celestial pole Answer: an imaginary point on the celestial sphere
directly above the north and south pole
celestial sphere Answer: an imaginary sphere surrounding the earth
representing the sky
constellation Answer: a group of stars in the night sky (88)
eclipse season Answer: the times of the year, separated by about 6
months, when eclipses are possible
© 2025 All rights reserved
, 2
ecliptic Answer: the path that the sun appears to make around the
celestial sphere as the earth moves along its orbit
equinox Answer: the time of year the sun appears to cross the
celestial equator
horizon Answer: the lines separating the sky from the ground
lunar eclipse Answer: the passage of the earth between the sun and
the moon so that the earth's shadow falls on the moon
model Answer: a theoretical representation of some object or
system
phase Answer: the changing illumination of the moon or other
body that causes the body's apparent shape to change
precession Answer: the slow change in direction of the pole of a
spinning body or of the orientation of an orbit
rotation axis Answer: an imaginary line through the center of a
body about which the body spins
rotation curve Answer: a plot of the rotation velocity of the stars or
gas in a galaxy at different distances from its center
solar eclipse Answer: the passage of the moon between the earth
and the sun so that our view of the sun is partially blocked
© 2025 All rights reserved
