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ASTRONOMY FINAL Exam Questions and Answers 100% Solved

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ASTRONOMY FINAL Exam Questions and Answers 100% Solved When it comes to our place in the solar system today, which model do we accept? a) heliocentric b) Ptolemaic c) geocentric d) Aristotelean - a According to the geocentric view, everything in the heavens had to go around the Earth, whic...

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  • October 20, 2024
  • 62
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Astronomy
  • Astronomy
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JOSHCLAY
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

ASTRONOMY FINAL Exam Questions

and Answers 100% Solved


When it comes to our place in the solar system today, which model do we

accept?



a) heliocentric

b) Ptolemaic

c) geocentric

d) Aristotelean - ✔✔a

According to the geocentric view, everything in the heavens had to go

around the Earth, which was the center of the universe. What objects did

Galileo discover with his telescope that clearly didn't go around the Earth?



a) ring around the Sun

b) moons around the planet Jupiter

c) Pluto

,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

d) the Earth's Moon

e) stars in the Milky Way that just kept going in a straight line - ✔✔b

According to Kepler's third law, there is a relationship between the time a

planet takes to revolve around the Sun and its

a) eccentricity

b) astrological sign

c) distance from the Sun

d) period of rotation

e) size - ✔✔c

In what fundamental way did the work of Galileo differ from his

predecessors who had thought about the sky?

a) Galileo consulted many authorities before coming to scientific

conclusions, instead of working on his own

b) Galileo translated the works of the ancient Greek astronomers, and

relied on their wonderful abilities to think through difficult problems

c) Galileo used instruments and experiments to show him what nature was

doing, instead of relying on pure logic

d) Galileo relied on the revelations of the Bible to tell him what was

happening in the sky

,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

e) Galileo believed that the Earth was the center of the solar system, and

everything revolved around it - ✔✔c

When a planet, in its orbit, is closer to the Sun, it:

a) spins faster on its axis

b) moves faster than average

c) feels less gravitational pull than average

d) moves slower than average

e) reflects less sunlight than average - ✔✔b

In Ptolemy's system the planets orbit the Earth and not the Sun. How did

the system explain the retrograde motion of planets like Mars?

a) the planets were not moving along the ecliptic but all over the celestial

sphere

b) the planets moved in very elongated ellipses, and their speed in orbit

changed radically over the course of a year

c) the Sun moved among the planets, and pulled them out of their circular

orbits

d) the planets moved on a small circle whose center, in turn, circled a point

near the Earth

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

e) you can't fool me, Ptolemy's system did not include ANY explanation of

retrograde motion - ✔✔d

Which of these examples of ancient astronomy practises NOT correct?



a) Ancient Egyptians used a 365-day calendar year

b) Ancient Chinese astronomers observed many transient events like

comets and supernova (death of stars)

c) The Mayans designed a calendar based on the planet Venus

d) The Polynesians used the stars for long-distance sea navigation, to

colonize new islands

e) The Stonehenge rock structure was used for tracking motions of the Sun

and Moon as far back as 3800 BCE - ✔✔e

When NASA and a group of astronomers sent up a spacecraft designed to

find planets orbiting other stars, they named it after Kepler. Why was this

an appropriate name?



a) Kepler was the first person to suggest how to launch rockets into space

b) Kepler used his telescope to find the first planet orbiting another star

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