ASTRO 7N EXAM 2
ASTRO 7N EXAM 2 INCLUDES ACCURATE AND VERIFIED QUESTIONS COVERING
FUNDAMENTAL ASTRONOMY CONCEPTS SUCH AS THE SOLAR SYSTEM,
PHASES OF THE MOON, PLANETARY MOTION, GRAVITY, LIGHT AND
TELESCOPES, AND THE HISTORICAL DEVELOPMENT OF ASTRONOMICAL
MODELS.DESIGNED FOR STUDENTS IN INTRODUCTORY ASTRONOMY COURSES
SUCH AS THOSE OFFERED AT PENN STATE
Which is the correct order, from largest to smallest?
A) galaxy - Universe - Solar System - Sun - planet
B) Universe - galaxy - Solar System - Sun - planet
C) Universe - Solar System - galaxy - Sun - planet
D) Solar System - Sun - galaxy - Universe - planet
E) Solar System - galaxy - Sun - planet - Universe - ANSWER-b
Which has the events in the right order, from early to late?
A) quark soup, protons form, nucleosynthesis, recombination, star formation
B) quark soup, recombination, star formation, protons form, nucleosynthesis
C) nucleosynthesis, star formation, protons form, recombination, quark soup
D) star formation, quark soup, protons form, recombination, nucleosynthesis
E) recombination, star formation, protons form, quark soup, nucleosynthesis - ANSWER-a
What type of galaxy is this?
A) E0
B) Sa
C) Irr
D) E7
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, ASTRO 7N EXAM 2
E) SBc - ANSWER-c
Which of the following is FALSE?
A) Titan is Saturn's largest moon.
B) Jupiter has more than 50 moons.
C) Jupiter has a magnetic field ten times stronger than that of Earth.
D) Saturn is about 1/3 the mass of Jupiter.
E) Uranus does not have rings. - ANSWER-e
How do astronomers measure the temperature of stars?
A) The rate of change of the color of the star is measured.
B) Temperature is determined from the radius of the star that is measured by radar.
C) By comparing the luminosity and apparent brightnesses.
D) By looking at which absorption lines are present in the star's spectrum.
E) The inverse square law is used. - ANSWER-d
If a planet is seeing its Moon in the New Phase right now, in what phase would the planet
appear to be when viewed from its Moon?
A) First Quarter Planet
B) Third Quarter Planet
C) New Planet
D) Full Planet
E) You can't see the planet from its Moon. - ANSWER-d
Saturn is made of:
A) Hydrogen and Helium like Jupiter
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, ASTRO 7N EXAM 2
B) Nitrogen and Oxygen like Earth's atmosphere.
C) Nickel and Iron like the cores of rocky planets.
D) Water and Ammonia ices.
E) Green cheese - ANSWER-a
How many constellations ARE NOT Zodiac constellations?
A) 12 or 13
B) 75 or 76
C) 44
D) 88
E) none, all constellations are Zodiac constellations - ANSWER-b
A star is stable due to the balance of
A) mass and luminosity
B) gravity and gas pressure
C) nuclear reactions and nuclear fission
D) convection and radiation
E) prominences and magnetic fields - ANSWER-b
Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth and a
radius 1/2 the radius of Earth. How will the gravity on its surface compare to the surface gravity
of Earth?
A) surface gravity on planet X is 8 times stronger than on Earth
B) surface gravity on planet X is 4 times weaker than on Earth
C) surface gravity on planet X is 2 times stronger than on Earth
D) surface gravity on planet X is 2 times weaker than on Earth
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, ASTRO 7N EXAM 2
E) surface gravity on planet X is the same as on Earth - ANSWER-e
The Sun shines because
A) energy is gradually being released from its gravitational collapse.
B) of the prominences and flares that extend out into its corona.
C) reactions in its core produce energy as helium is converted to carbon.
D) its photosphere emits photons due to reactions converting carbon to oxygen.
E) reactions in its core produce energy as hydrogen is converted to helium. - ANSWER-e
Which of the following is FALSE?
A) The Sun is one of about 100 billion stars in the Milky Way Galaxy.
B) Dark matter is present around most galaxies.
C) The stars in the halo of a spiral galaxy are older than those in its disk.
D) The Milky Way Galaxy formed about 100 million years ago.
E) The Earth formed about 4.5 billion years ago. - ANSWER-d
The age of the Universe is
A) about 100 billion years old
B) 12.9 million years old
C) 65 million years old
D) 13.8 billion years old
E) about 100 billion years old - ANSWER-d
The surface of Venus is hotter than the surface of Mercury because
A) of the volcanic activity that occurs on Venus.
B) Venus is smaller than Mercury so it does not require so much energy to heat it.
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ASTRO 7N EXAM 2 INCLUDES ACCURATE AND VERIFIED QUESTIONS COVERING
FUNDAMENTAL ASTRONOMY CONCEPTS SUCH AS THE SOLAR SYSTEM,
PHASES OF THE MOON, PLANETARY MOTION, GRAVITY, LIGHT AND
TELESCOPES, AND THE HISTORICAL DEVELOPMENT OF ASTRONOMICAL
MODELS.DESIGNED FOR STUDENTS IN INTRODUCTORY ASTRONOMY COURSES
SUCH AS THOSE OFFERED AT PENN STATE
Which is the correct order, from largest to smallest?
A) galaxy - Universe - Solar System - Sun - planet
B) Universe - galaxy - Solar System - Sun - planet
C) Universe - Solar System - galaxy - Sun - planet
D) Solar System - Sun - galaxy - Universe - planet
E) Solar System - galaxy - Sun - planet - Universe - ANSWER-b
Which has the events in the right order, from early to late?
A) quark soup, protons form, nucleosynthesis, recombination, star formation
B) quark soup, recombination, star formation, protons form, nucleosynthesis
C) nucleosynthesis, star formation, protons form, recombination, quark soup
D) star formation, quark soup, protons form, recombination, nucleosynthesis
E) recombination, star formation, protons form, quark soup, nucleosynthesis - ANSWER-a
What type of galaxy is this?
A) E0
B) Sa
C) Irr
D) E7
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, ASTRO 7N EXAM 2
E) SBc - ANSWER-c
Which of the following is FALSE?
A) Titan is Saturn's largest moon.
B) Jupiter has more than 50 moons.
C) Jupiter has a magnetic field ten times stronger than that of Earth.
D) Saturn is about 1/3 the mass of Jupiter.
E) Uranus does not have rings. - ANSWER-e
How do astronomers measure the temperature of stars?
A) The rate of change of the color of the star is measured.
B) Temperature is determined from the radius of the star that is measured by radar.
C) By comparing the luminosity and apparent brightnesses.
D) By looking at which absorption lines are present in the star's spectrum.
E) The inverse square law is used. - ANSWER-d
If a planet is seeing its Moon in the New Phase right now, in what phase would the planet
appear to be when viewed from its Moon?
A) First Quarter Planet
B) Third Quarter Planet
C) New Planet
D) Full Planet
E) You can't see the planet from its Moon. - ANSWER-d
Saturn is made of:
A) Hydrogen and Helium like Jupiter
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, ASTRO 7N EXAM 2
B) Nitrogen and Oxygen like Earth's atmosphere.
C) Nickel and Iron like the cores of rocky planets.
D) Water and Ammonia ices.
E) Green cheese - ANSWER-a
How many constellations ARE NOT Zodiac constellations?
A) 12 or 13
B) 75 or 76
C) 44
D) 88
E) none, all constellations are Zodiac constellations - ANSWER-b
A star is stable due to the balance of
A) mass and luminosity
B) gravity and gas pressure
C) nuclear reactions and nuclear fission
D) convection and radiation
E) prominences and magnetic fields - ANSWER-b
Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth and a
radius 1/2 the radius of Earth. How will the gravity on its surface compare to the surface gravity
of Earth?
A) surface gravity on planet X is 8 times stronger than on Earth
B) surface gravity on planet X is 4 times weaker than on Earth
C) surface gravity on planet X is 2 times stronger than on Earth
D) surface gravity on planet X is 2 times weaker than on Earth
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, ASTRO 7N EXAM 2
E) surface gravity on planet X is the same as on Earth - ANSWER-e
The Sun shines because
A) energy is gradually being released from its gravitational collapse.
B) of the prominences and flares that extend out into its corona.
C) reactions in its core produce energy as helium is converted to carbon.
D) its photosphere emits photons due to reactions converting carbon to oxygen.
E) reactions in its core produce energy as hydrogen is converted to helium. - ANSWER-e
Which of the following is FALSE?
A) The Sun is one of about 100 billion stars in the Milky Way Galaxy.
B) Dark matter is present around most galaxies.
C) The stars in the halo of a spiral galaxy are older than those in its disk.
D) The Milky Way Galaxy formed about 100 million years ago.
E) The Earth formed about 4.5 billion years ago. - ANSWER-d
The age of the Universe is
A) about 100 billion years old
B) 12.9 million years old
C) 65 million years old
D) 13.8 billion years old
E) about 100 billion years old - ANSWER-d
The surface of Venus is hotter than the surface of Mercury because
A) of the volcanic activity that occurs on Venus.
B) Venus is smaller than Mercury so it does not require so much energy to heat it.
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