ASTR FINAL EXAM LATEST 2024 WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED TO PASS CONCEPTS(ALL WHAT
YOU NEED) LATEST EDITION 2024
What is the closest star to the Earth?
A)Proxima Centauri
B) Alpha Centauri
C) Eta Carinae
D) the Sun - .....ANSWER ...✔✔ D) the sun
A hypothesis may become a theory...
A) after it has been proven by logical arguments.
B) after many repeated experiments attempts to falsify
it fail.
C) if it makes at least one verifiable prediction. -
.....ANSWER ...✔✔ B) after many repeated
experiments attempts to falsify it fail.
,2|Page
The early universe was composed mainly of which two
elements? - .....ANSWER ...✔✔ hydrogen and helium
If our distance to the center of the Milky Way is
approximately 26,000 light-years and our Solar
System's diameter is about 10 light-hours, how many
Solar Systems (rounded down) would fit in between us
and galactic center?
A) 10^7
B) 10^4
C) 10
D) 10^3 - .....ANSWER ...✔✔ 10^7
One of the central assumptions in astronomy is that the
physical laws of nature...
A) change throughout the age of the universe.
B) depend on the mass of the objects involved.
C) are the same everywhere in the universe. -
.....ANSWER ...✔✔ are the same everywhere in the
universe.
If you travel 40 miles from home to school in 120
minutes, what is your average velocity?
,3|Page
A) 80 mph
B) 1.3 mph
C) 20 mph
D) 40 mph - .....ANSWER ...✔✔ 20mph
The Earth's axial tilt is 23.5°. If the Earth's axial tilt was
35°, which would be true?
A) Winters would be colder.
B) The seasons would remain the same.
C) Summers would be cooler.
D) Winters would be shorter. - .....ANSWER ...✔✔
Winters would be colder
What is the altitude of an object in the sky that is seen
halfway between the horizon and directly above an
observer?
A) 90°
B) 180°
C) 45° - .....ANSWER ...✔✔ 45°
No matter where you are on Earth, stars appear to
rotate about a point called the... - .....ANSWER ...✔✔
celestial pole
, 4|Page
For a person who lives at a latitude of +23.5°, when is
the Sun directly overhead at noon?
A) only on the summer solstice
B) only on the vernal and autumnal equinoxes
C) always - .....ANSWER ...✔✔ A) only on the summer
solstice
If the distance between Earth and the Sun were tripled,
the gravitational force between these two objects
would...
A) decrease by a factor of 3.
B) increase by a factor of 9.
C) decrease by a factor of 9. - .....ANSWER ...✔✔ C)
decrease by a factor of 9.
According to the inverse square law, what is the impact
on the force of gravity between two masses if their
separation is doubled? The...
A)force is quartered.
B) force is halved.
C) force doubles. - .....ANSWER ...✔✔ A) force is
quartered.