ASTR 5 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026
Which of these objects is the smallest? - Answers Supercluster
Galaxy
Cluster
Sun
Solar system
-sun
Which of these parts of our cosmic address is NOT correct? - Answers Galaxy Cluster = Virgo
Group
Which of these is true about stars and their locations in the sky? - Answers The altitude for a
star at zenith is 90 degrees
You see a star to the southwest. I'm five minutes, the star will most likely be at: - Answers A
lower altitude
Which of these stars will be above the horizon the longest in Los Angeles? - Answers Star with a
declination of +50
When we say the moon "orbits" the Earth, what do we mean by "orbit"? - Answers The moon is
traveling around the Earth
The Sun is setting at this moment. It is at the horizon exactly west. Which of the following could
be the altitude and azimuth of the Sun? - Answers Altitude=0°, Azimuth=270°
Which of these five objects is the largest? - Answers Supercluster
What is the declination for the celestial equator? - Answers 0
Which of these is true about Polaris? - Answers Polaris is directly overhead if you are at the
North Pole
Polaris will be at an altitude of 34 degrees in Los Angeles (Latitude=34 degrees)
Polaris has a declination of +90 degrees
All of the above
,All of the above
Imagine a star is 10 light years away. If that star exploded, we would see the explosion: -
Answers In 10 years
Which of these is a coordinate used to give the location of a star on the celestial sphere? -
Answers Right ascension
Imagine I am going to give you the coordinates to go look an interesting planet in the sky tonight
in Los Angeles at 10pm. Which coordinates would be most useful to you for finding the planet
without using any computers or other devices? - Answers Altitude and azimuth
T/F: Trying to give real-time commands to satellites or probes that are orbiting other planets
can be difficult because of the time it takes radio signals carrying the commands to go from the
Earth to the satellite. - Answers True
Which of these numbers is larger and by approximately how many times?
2.1 x 10 6 or 2.2 x 10 4 - Answers 2.1 x 10 6 by 100 times
Uranus is 20 AU from the sun. Uranus is_____ times farther from the sun than the earth is. -
Answers 20
Which of these azimuth is NOT correct? - Answers Due West= 290
Which of these statements is true? - Answers Most of the atoms in our body have passed
through (and in many cases formed) in stars.
Proxima Centauri is: - Answers The closest star to the sun
Part of the Milky Way galaxy
Part of the same galaxy cluster as our Sun
More than 1 light year away
All of the above
All of the above
Our solar system is made up of the sun and: - Answers Anything that orbits the sun
As you increase the amount of background light (light pollution), the number of stars that can
be seen: - Answers Decreases
Which of these is true about the scientific method? - Answers The scientific method for
, astronomy has to mostly use observations instead of experiments in a lab to test hypothesis.
Which term best describes the earth spinning every 24 hours - Answers Rotate
Which term best describes the earth going around the sun - Answers Revolve
Which of these is most likely topocentric coordinates for Polaris here in Los Angeles (Lat=34N) -
Answers Altitude = 34, Azimuth = 0
The New Horizons probe recently visited a new object in the Kuiper Belt, one of the farthest
parts of our solar system. Which of these is the most likely distance to the object? - Answers 45
light years
An astronomical unit is - Answers The best unit for measuring distances in our Solar System
Defined as the average distance from the Earth to the Sun
Smaller than a light year
All of the above
All of the aboce
Which of these descriptions is correct? - Answers Galaxy = group of stars, gas, and dust
Cluster = group of galaxies
Supercluster = group of clusters
All of the above
All of the above
Consider the following 4 stars. Which one will be in the sky the longest in Los Angeles? -
Answers David
T/F: When you are looking at the Sun, you are seeing the sun as it is at this exact moment. -
Answers False
Why have astronomers created units like astronomical units and light years? - Answers Because
distances to objects in space are so large that using meters or kilometers would make the
numbers so big
Which of the following statements is NOT true about angular size? - Answers The sun has a
much bigger angular size than the moon
Which of these objects is the smallest? - Answers Supercluster
Galaxy
Cluster
Sun
Solar system
-sun
Which of these parts of our cosmic address is NOT correct? - Answers Galaxy Cluster = Virgo
Group
Which of these is true about stars and their locations in the sky? - Answers The altitude for a
star at zenith is 90 degrees
You see a star to the southwest. I'm five minutes, the star will most likely be at: - Answers A
lower altitude
Which of these stars will be above the horizon the longest in Los Angeles? - Answers Star with a
declination of +50
When we say the moon "orbits" the Earth, what do we mean by "orbit"? - Answers The moon is
traveling around the Earth
The Sun is setting at this moment. It is at the horizon exactly west. Which of the following could
be the altitude and azimuth of the Sun? - Answers Altitude=0°, Azimuth=270°
Which of these five objects is the largest? - Answers Supercluster
What is the declination for the celestial equator? - Answers 0
Which of these is true about Polaris? - Answers Polaris is directly overhead if you are at the
North Pole
Polaris will be at an altitude of 34 degrees in Los Angeles (Latitude=34 degrees)
Polaris has a declination of +90 degrees
All of the above
,All of the above
Imagine a star is 10 light years away. If that star exploded, we would see the explosion: -
Answers In 10 years
Which of these is a coordinate used to give the location of a star on the celestial sphere? -
Answers Right ascension
Imagine I am going to give you the coordinates to go look an interesting planet in the sky tonight
in Los Angeles at 10pm. Which coordinates would be most useful to you for finding the planet
without using any computers or other devices? - Answers Altitude and azimuth
T/F: Trying to give real-time commands to satellites or probes that are orbiting other planets
can be difficult because of the time it takes radio signals carrying the commands to go from the
Earth to the satellite. - Answers True
Which of these numbers is larger and by approximately how many times?
2.1 x 10 6 or 2.2 x 10 4 - Answers 2.1 x 10 6 by 100 times
Uranus is 20 AU from the sun. Uranus is_____ times farther from the sun than the earth is. -
Answers 20
Which of these azimuth is NOT correct? - Answers Due West= 290
Which of these statements is true? - Answers Most of the atoms in our body have passed
through (and in many cases formed) in stars.
Proxima Centauri is: - Answers The closest star to the sun
Part of the Milky Way galaxy
Part of the same galaxy cluster as our Sun
More than 1 light year away
All of the above
All of the above
Our solar system is made up of the sun and: - Answers Anything that orbits the sun
As you increase the amount of background light (light pollution), the number of stars that can
be seen: - Answers Decreases
Which of these is true about the scientific method? - Answers The scientific method for
, astronomy has to mostly use observations instead of experiments in a lab to test hypothesis.
Which term best describes the earth spinning every 24 hours - Answers Rotate
Which term best describes the earth going around the sun - Answers Revolve
Which of these is most likely topocentric coordinates for Polaris here in Los Angeles (Lat=34N) -
Answers Altitude = 34, Azimuth = 0
The New Horizons probe recently visited a new object in the Kuiper Belt, one of the farthest
parts of our solar system. Which of these is the most likely distance to the object? - Answers 45
light years
An astronomical unit is - Answers The best unit for measuring distances in our Solar System
Defined as the average distance from the Earth to the Sun
Smaller than a light year
All of the above
All of the aboce
Which of these descriptions is correct? - Answers Galaxy = group of stars, gas, and dust
Cluster = group of galaxies
Supercluster = group of clusters
All of the above
All of the above
Consider the following 4 stars. Which one will be in the sky the longest in Los Angeles? -
Answers David
T/F: When you are looking at the Sun, you are seeing the sun as it is at this exact moment. -
Answers False
Why have astronomers created units like astronomical units and light years? - Answers Because
distances to objects in space are so large that using meters or kilometers would make the
numbers so big
Which of the following statements is NOT true about angular size? - Answers The sun has a
much bigger angular size than the moon
