MCQ on Solar System Set 3

MCQ on Solar System
Quiz1234567

Question 1. Which of the following words best describes the shape of our galaxy?

(A) Barred-spiral

(B) Spiral

(C) Elliptical

(D) Spherical

View Answer
(B) Spiral

Question 2. A first magnitude star is how many times brighter than a second magnitude star?

(A) 12.0

(B) 10.0

(C) 7.3

(D) 2.5

View Answer
(D) 2.5

Question 3. Cassini’s division is described by which of the following?

(A) The distance between the Van Allen belts

(B) The distance between the first two moons of Jupiter

(C) A break in the clouds of Jupiter

(D) A break in the rings of Saturn

View Answer
(D) A break in the rings of Saturn

Question 4. The angle that the full moon takes up in the night sky is equal to which of the following values?

(A) 2 degrees

(B) 1 degree

(C) 1/2 degrees

(D) 1/8 degree

View Answer
(C) 1/2 degrees

Question 5. At any time we may describe the position of an inferior planet by the angle it makes with the sun as seen from the earth. This angle is called the _____________.

(A) Proxima

(B) Elongation

(C) Epicycle

(D) Ecliptic

View Answer
(B) Elongation

Question 6. In the Milky Way there are approximately _____________.

(A) 200 billion stars

(B) 400 million stars

(C) 100 million stars

(D) 2 million stars

View Answer
(A) 200 billion stars

Question 7. A Galactic year is the length of time that it takes our sun to orbit the galaxy. In Earth years, how long is a Galactic year? 

(A) 940 million years

(B) 620 million years

(C) 230 million years

(D) 100 million years

View Answer
(C) 230 million years

Question 8. Galileo discovered something about Venus with his telescope that shook the old theories. Which of the following was Galileo’s discovery?

(A) Venus had retrograde motion

(B) Venus’ surface was similar to the earth’s

(C) Venus had phases like the moon

(D) Venus was covered in clouds

View Answer
(A) Venus had retrograde motion

Question 9. Which planet seems to be turned on its side with an axis tilt of 98 degrees?

(A) Saturn

(B) Neptune

(C) Pluto

(D) Uranus

View Answer
(D) Uranus

Question 10. A planet is said to be at aphelion when it is _____________.

(A) At it’s lowest point below the ecliptic

(B) At it’s highest point above the ecliptic

(C) Farthest from the sun

(D) Closest to the sun

View Answer
(C) Farthest from the sun

Question 11. A pulsar is actually a _____________.

(A) Neutron star

(B) Red giant

(C) White dwarf

(D) Black hole

View Answer
(A) Neutron star

Question 12. In the lowest level of the photosphere of the Sun, the temperature is _____________.

(A) 13,000 degrees Kelvin

(B) 10,000 degrees Kelvin

(C) 6,000 degrees Kelvin

(D) 1,000 degrees Kelvin

View Answer
(C) 6,000 degrees Kelvin

Question 13. The word Albedo (pron: al-BEE-doe) refers to which of the following?

(A) The brightness of a star

(B) The phase changes of a planet

(C) The amount of light a planet reflects

(D) The wobbling motion of a planet

View Answer
(C) The amount of light a planet reflects

Question 14. On which of the following planets would the sun rise in the west?

(A) Venus

(B) Mercury

(C) Pluto

(D) Saturn

View Answer
(A) Venus

Question 15. The cosmic background radiation, a remnant of the Big Bang, is at what temperature?

(A) 2.7K

(B) 5.3K

(C) 0K

(D) 100K

View Answer
(A) 2.7K

Question 16. A line through the three stars in Orion’s belt points toward which one of the following stars?

(A) Rigel

(B) Sirius

(C) Polaris

(D) Mizor

View Answer
(B) Sirius

Question 17. The orbital plane of the moon is how many degrees inclined from the ecliptic?

(A) 0 degrees

(B) 5 degrees

(C) 10 degrees

(D) 15 degrees

View Answer
(B) 5 degrees

Question 18. When a superior planet is at opposition it is making an angle of how many degrees with the sun?

(A) 180 degrees

(B) 90 degrees

(C) 45 degrees

(D) 0 degrees

View Answer
(A) 180 degrees 

Question 19. The largest moon in our solar system has an atmosphere that is denser than the atmosphere of Mars. The name of this moon is _____________.

(A) Io

(B) Triton

(C) Ganymede

(D) Titan

View Answer
(D) Titan

Question 20. The LAST manned moon flight was made in what year? 

(A) 1974

(B) 1973

(C) 1972

(D) 1971

View Answer
(C) 1972

Question 21. Which of the following constellations has more bright stars than any other constellation?

(A) Scorpion

(B) Orion

(C) Cassiopeia

(D) Big Dipper

View Answer
(B) Orion

Question 22. Name the phase that the moon is in for each type of eclipse, lunar and solar _____________.

(A) New moon for lunar and full moon for solar

(B) Full moon for lunar and new moon for solar

(C) New moon for both phases

(D) Full moon for both phases

View Answer
(B) Full moon for lunar and new moon for solar

Question 23. The period from one full moon to the next is _____________.

(A) 28 days

(B) 29.5 days

(C) 30 days

(D) 30.3 days

View Answer
(B) 29.5 days 

Question 24. Which of the following planets has the greatest eccentricity?

(A) Mercury

(B) Mars

(C) Jupiter

(D) Pluto

View Answer
(D) Pluto

Question 25. Which of the following first hypothesized that the Earth orbited the sun?

(A) Tycho Brahe

(B) Socrates

(C) Copernicus

(D) Alexander the Great

View Answer
(C) Copernicus
Quiz1234567