Frontiers in Astronomy Exam 1 UPDATED
Exam Questions and CORRECT Answers
The difference between doing science and fooling around - CORRECT ANSWER -
Writing things down
Requirements of a Theory - CORRECT ANSWER - Repeatable, verifiable, and predictive
- CORRECT ANSWER - Law of gravity
Newton's First Law - CORRECT ANSWER - An object at rest stays at rest and an object
in motion stays in motion with the same speed and in the same direction unless acted upon by an
unbalanced force.
Newton's Second Law - CORRECT ANSWER - Force = mass x acceleration
Newton's Third Law - CORRECT ANSWER - For every action there is an equal and
opposite reaction
Kepler's First Law - CORRECT ANSWER - The planets orbit the sun in an ellipse with
the sun at a focus
Kepler's Second Law - CORRECT ANSWER - Planets move faster when they are close to
the sun and slower when they are further away from the sun
Kepler's Third Law - CORRECT ANSWER - The further a planet is from the sun, the
longer its year is
What Are Newtons Laws About? - CORRECT ANSWER - Motion
, What Are Kepler's Law About? - CORRECT ANSWER - The orbit of the planets around
the sun
What is a Day? Geocentric Standpoint - CORRECT ANSWER - Sun returns to the same
position in the sky (sunset - sunset)
What is a Month? Geocentric Standpoint - CORRECT ANSWER - The phases of the
moon (new moon to the next new moon)
What is a Year? Geocentric Standpoint - CORRECT ANSWER - Sun returns to the same
position in the zodiac (height of the sun/length of "daytime")
Planets Visible to the Naked Eye - CORRECT ANSWER - Sun, Moon, Venus, Jupiter,
Mars, Mercury, and Saturn (7)
The Planets - CORRECT ANSWER - Mercury, Venus, Earth, Mars, Jupiter, Saturn,
Uranus, and Neptune (8)
How Many Stars are in the Milky Way? - CORRECT ANSWER - 400 billion
How Many Stars are visible to the Naked Eye? - CORRECT ANSWER - 2,000
Define Planets - CORRECT ANSWER - In Greek, planets mean "wanderer", which refers
to something you can see in the sky that does not apply to the patterns of the constellations
What is a Day? Heliocentric Standpoint - CORRECT ANSWER - One earth rotation
What is a Month? Heliocentric Standpoint - CORRECT ANSWER - One moon revolution
around earth
Exam Questions and CORRECT Answers
The difference between doing science and fooling around - CORRECT ANSWER -
Writing things down
Requirements of a Theory - CORRECT ANSWER - Repeatable, verifiable, and predictive
- CORRECT ANSWER - Law of gravity
Newton's First Law - CORRECT ANSWER - An object at rest stays at rest and an object
in motion stays in motion with the same speed and in the same direction unless acted upon by an
unbalanced force.
Newton's Second Law - CORRECT ANSWER - Force = mass x acceleration
Newton's Third Law - CORRECT ANSWER - For every action there is an equal and
opposite reaction
Kepler's First Law - CORRECT ANSWER - The planets orbit the sun in an ellipse with
the sun at a focus
Kepler's Second Law - CORRECT ANSWER - Planets move faster when they are close to
the sun and slower when they are further away from the sun
Kepler's Third Law - CORRECT ANSWER - The further a planet is from the sun, the
longer its year is
What Are Newtons Laws About? - CORRECT ANSWER - Motion
, What Are Kepler's Law About? - CORRECT ANSWER - The orbit of the planets around
the sun
What is a Day? Geocentric Standpoint - CORRECT ANSWER - Sun returns to the same
position in the sky (sunset - sunset)
What is a Month? Geocentric Standpoint - CORRECT ANSWER - The phases of the
moon (new moon to the next new moon)
What is a Year? Geocentric Standpoint - CORRECT ANSWER - Sun returns to the same
position in the zodiac (height of the sun/length of "daytime")
Planets Visible to the Naked Eye - CORRECT ANSWER - Sun, Moon, Venus, Jupiter,
Mars, Mercury, and Saturn (7)
The Planets - CORRECT ANSWER - Mercury, Venus, Earth, Mars, Jupiter, Saturn,
Uranus, and Neptune (8)
How Many Stars are in the Milky Way? - CORRECT ANSWER - 400 billion
How Many Stars are visible to the Naked Eye? - CORRECT ANSWER - 2,000
Define Planets - CORRECT ANSWER - In Greek, planets mean "wanderer", which refers
to something you can see in the sky that does not apply to the patterns of the constellations
What is a Day? Heliocentric Standpoint - CORRECT ANSWER - One earth rotation
What is a Month? Heliocentric Standpoint - CORRECT ANSWER - One moon revolution
around earth
