MSU ISP 205 Final Exam 2024/2025
Exam Questions and Verified Answers |
Already Graded A+
Rank the following 4 items by how long it takes for light to reach us from
these object, from shortest to longest.
The Andromeda Galaxy
the center of the Milky Way
Pluto
Sun. - 🧠ANSWER ✔✔Sun, Pluto, center of the Milky Way, the Andromeda
Galaxy.
The current best estimate for the age of the universe is about - 🧠ANSWER
✔✔14 billion years.
What do astronomers mean when they say the universe is expanding? -
🧠ANSWER ✔✔Average distances are increasing between most galaxies.
Which statement is false?
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,1. A constellation demarcates a patch of sky, making it easier for
astronomers to locate interesting sources.
2. Modern-day constellations include Musca the Fly and Triangulum the
Triangle.
3. There are 88 constellations, as defined by the International Astronomical
Union.
4. Practically every ancient culture had their own version of constellations,
typically used for story telling. - 🧠ANSWER ✔✔1
Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as
Galaxy 2. In that case, - 🧠ANSWER ✔✔We are seeing Galaxy 1 as it
looked at an earlier time in the history of the universe than Galaxy 2
Identify the falsifiable statement below:
1. President Kennedy's murder was orchestrated by an undetectable
shadow government of the United States.
2. The laws of nature are magnificent and beautiful.
3. The Sun is at the center of the solar system.
4. The universe was created by God. - 🧠ANSWER ✔✔3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, The Greeks rejected the notion that the Earth orbits the Sun. Why? -
🧠ANSWER ✔✔They could not measure parallax (a change in stars'
positions on the sky due to the Earth's orbit)
What did Tycho, Kepler, and Newton do? - 🧠ANSWER ✔✔Tycho collected
the data, Kepler provided the model in the form of laws, Newton explained
the model in terms of gravity.
Galileo observed all of the following. Which observation offered direct proof
of a planet orbiting the Sun? - 🧠ANSWER ✔✔phases of Venus.
During the period each year when we see Mars undergoing apparent
retrograde motion in our sky, what is really going on in space? -
🧠ANSWER ✔✔Earth is catching up with and passing by Mars in their
respective orbits.
What would change if the Earth started spinning faster? - 🧠ANSWER ✔✔A
day would be shorter.
What is the main reason it is warm in Michigan in the summer? -
🧠ANSWER ✔✔The tilt of the Earth's axis means we receive the most direct
sunlight then.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Verified Answers |
Already Graded A+
Rank the following 4 items by how long it takes for light to reach us from
these object, from shortest to longest.
The Andromeda Galaxy
the center of the Milky Way
Pluto
Sun. - 🧠ANSWER ✔✔Sun, Pluto, center of the Milky Way, the Andromeda
Galaxy.
The current best estimate for the age of the universe is about - 🧠ANSWER
✔✔14 billion years.
What do astronomers mean when they say the universe is expanding? -
🧠ANSWER ✔✔Average distances are increasing between most galaxies.
Which statement is false?
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,1. A constellation demarcates a patch of sky, making it easier for
astronomers to locate interesting sources.
2. Modern-day constellations include Musca the Fly and Triangulum the
Triangle.
3. There are 88 constellations, as defined by the International Astronomical
Union.
4. Practically every ancient culture had their own version of constellations,
typically used for story telling. - 🧠ANSWER ✔✔1
Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as
Galaxy 2. In that case, - 🧠ANSWER ✔✔We are seeing Galaxy 1 as it
looked at an earlier time in the history of the universe than Galaxy 2
Identify the falsifiable statement below:
1. President Kennedy's murder was orchestrated by an undetectable
shadow government of the United States.
2. The laws of nature are magnificent and beautiful.
3. The Sun is at the center of the solar system.
4. The universe was created by God. - 🧠ANSWER ✔✔3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, The Greeks rejected the notion that the Earth orbits the Sun. Why? -
🧠ANSWER ✔✔They could not measure parallax (a change in stars'
positions on the sky due to the Earth's orbit)
What did Tycho, Kepler, and Newton do? - 🧠ANSWER ✔✔Tycho collected
the data, Kepler provided the model in the form of laws, Newton explained
the model in terms of gravity.
Galileo observed all of the following. Which observation offered direct proof
of a planet orbiting the Sun? - 🧠ANSWER ✔✔phases of Venus.
During the period each year when we see Mars undergoing apparent
retrograde motion in our sky, what is really going on in space? -
🧠ANSWER ✔✔Earth is catching up with and passing by Mars in their
respective orbits.
What would change if the Earth started spinning faster? - 🧠ANSWER ✔✔A
day would be shorter.
What is the main reason it is warm in Michigan in the summer? -
🧠ANSWER ✔✔The tilt of the Earth's axis means we receive the most direct
sunlight then.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
