ASTRO 101 EXAM 3 QUESTIONS WITH
DETAILED VERIFIED ANSWERS
what are constellations?
Groups of stars used by astronomers to separate the sky into 88 regions.
what is Earth's Orbit or Revolution?
The reason the sun is not always "in" the same constellation as seen from earth.
What is Matter or Energy(light)?
All things we observe in the universe are either _______ or ___________.
What are laws?
Very well tested scientific ideas that are of fundamental importance.
What is one day or 24 hours?
Length of one rotation of the celestial sphere.
What is circumpolar?
When all visible stars are above the horizon for the entire night (none rise or set) such as at the
North Pole.
What is the Ecliptic?
The yearly path of the sun as seen from Earth.
what is the milky way galaxy?
The part of the universe we live in that is bigger than the solar system but smaller than the local
group.
A. The universe is made up of matter and energy.
b. Most of the energy in the universe is in the form of gravity.
c. The universe contains only the sun, moon, and planets.
d. When astronomers study the universe, they just consider ordinary matter.
, Which of the following is a TRUE statement about the Universe?
a. Looking for new stars in the Milky Way galaxy
b. Trying to figure out how the planets orbit the Sun
C. Predicting human events by looking at the positions of the stars and planets
d. Studying the light from distant stars to understand what they are made of
Which of the following would NOT be considered astronomy?
b. Earth, Solar System, Milky Way, Local Group, Laniakea Supercluster, the universe
If you were to specify your cosmic address in the universe, listing your membership from the
smallest to
largest physical structures, it would be
The distance light travels in a year
Which of the following is the definition of a light-year?
Years
A nearby star in our galaxy explodes as a supernova. Approximately how long would it take the
light from
that explosion to reach our telescope on Earth?
It is the greatest speed anything can go in the universe.
Why would the speed of light be called the "ultimate speed limit"?
a. If repeated testing of a hypothesis does not disprove it, it may become an accepted
theory.
b. A scientific theory may be changed when scientists make new observations and run new
tests.
c. A hypothesis should have testable predictions.
D. A scientific theory is an undisputed fact.
Which of the following is FALSE?
A law
DETAILED VERIFIED ANSWERS
what are constellations?
Groups of stars used by astronomers to separate the sky into 88 regions.
what is Earth's Orbit or Revolution?
The reason the sun is not always "in" the same constellation as seen from earth.
What is Matter or Energy(light)?
All things we observe in the universe are either _______ or ___________.
What are laws?
Very well tested scientific ideas that are of fundamental importance.
What is one day or 24 hours?
Length of one rotation of the celestial sphere.
What is circumpolar?
When all visible stars are above the horizon for the entire night (none rise or set) such as at the
North Pole.
What is the Ecliptic?
The yearly path of the sun as seen from Earth.
what is the milky way galaxy?
The part of the universe we live in that is bigger than the solar system but smaller than the local
group.
A. The universe is made up of matter and energy.
b. Most of the energy in the universe is in the form of gravity.
c. The universe contains only the sun, moon, and planets.
d. When astronomers study the universe, they just consider ordinary matter.
, Which of the following is a TRUE statement about the Universe?
a. Looking for new stars in the Milky Way galaxy
b. Trying to figure out how the planets orbit the Sun
C. Predicting human events by looking at the positions of the stars and planets
d. Studying the light from distant stars to understand what they are made of
Which of the following would NOT be considered astronomy?
b. Earth, Solar System, Milky Way, Local Group, Laniakea Supercluster, the universe
If you were to specify your cosmic address in the universe, listing your membership from the
smallest to
largest physical structures, it would be
The distance light travels in a year
Which of the following is the definition of a light-year?
Years
A nearby star in our galaxy explodes as a supernova. Approximately how long would it take the
light from
that explosion to reach our telescope on Earth?
It is the greatest speed anything can go in the universe.
Why would the speed of light be called the "ultimate speed limit"?
a. If repeated testing of a hypothesis does not disprove it, it may become an accepted
theory.
b. A scientific theory may be changed when scientists make new observations and run new
tests.
c. A hypothesis should have testable predictions.
D. A scientific theory is an undisputed fact.
Which of the following is FALSE?
A law
