ASTR FINAL EXAM 2025/2026 | ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT ANSWERS |
ASTRONOMY | COMPREHENSIVE SPACE SCIENCE
ASSESSMENT
What is the surface of the sun that is visible to us - CORRECT ANSWERS-Photosphere
Which of the following is not an inner layer of the sun? - CORRECT ANSWERS-Corona
The sunspots are areas of the Sun's surface that are at ________ temperatures than its surroundings. -
CORRECT ANSWERS-lower
Who is the first person to record sunspots and their motion? - CORRECT ANSWERS-Galileo
Galilei
___ Type of stars have the lowest surface temperature. - CORRECT ANSWERS-M
The star Antares is classified as a M1 I star. What does the M1 represent? - CORRECT
ANSWERS-Spectral Type
Which type of star has a surface temperature greater than 30,000? - CORRECT ANSWERS-O
Type
Astronomers normally groups stars according to their surface temperature and each group is known as
_________. - CORRECT ANSWERS-Spectral Type/Class
Which luminosity class is the least luminous? - CORRECT ANSWERS-Main Sequence
Which luminosity class is a rare group of giant stars? - CORRECT ANSWERS-Bright Giants
Which color represents the hottest star? - CORRECT ANSWERS-Violet-Blue
, From the luminosity class of a star, we can determine its ______ - CORRECT ANSWERS-
luminosity
Each lettered spectral class is further categorized by subdividing into ___ subdivisions. - CORRECT
ANSWERS-10
Which luminosity class does our Sun belong to? - CORRECT ANSWERS-Main Sequence
The stages of the stellar life cycle that follow after the main sequence depend on the ______ of a star. -
CORRECT ANSWERS-mass
For about a _______ a supernova can emit at an energy rate equal to 10 Suns. - CORRECT
ANSWERS-week
In Astronomy, _________ is not considered a heavy element. - CORRECT ANSWERS-hydrogen
Which is not an end stage for a star? - CORRECT ANSWERS-Green Dwarf
Most ____________ are detected as pulsars. - CORRECT ANSWERS-neutron stars
In the Supergiant stage, the luminosity ________ even though the surface temperature __________. -
CORRECT ANSWERS-increases, decreases
A ___________ is an object with a gravitational field so strong that even light cannot escape it. -
CORRECT ANSWERS-black hole
A _______ is born from the collapse of an interstellar cloud. - CORRECT ANSWERS-star
What is the final stage of our Sun? - CORRECT ANSWERS-White Dwarf
COMPLETE QUESTIONS AND CORRECT ANSWERS |
ASTRONOMY | COMPREHENSIVE SPACE SCIENCE
ASSESSMENT
What is the surface of the sun that is visible to us - CORRECT ANSWERS-Photosphere
Which of the following is not an inner layer of the sun? - CORRECT ANSWERS-Corona
The sunspots are areas of the Sun's surface that are at ________ temperatures than its surroundings. -
CORRECT ANSWERS-lower
Who is the first person to record sunspots and their motion? - CORRECT ANSWERS-Galileo
Galilei
___ Type of stars have the lowest surface temperature. - CORRECT ANSWERS-M
The star Antares is classified as a M1 I star. What does the M1 represent? - CORRECT
ANSWERS-Spectral Type
Which type of star has a surface temperature greater than 30,000? - CORRECT ANSWERS-O
Type
Astronomers normally groups stars according to their surface temperature and each group is known as
_________. - CORRECT ANSWERS-Spectral Type/Class
Which luminosity class is the least luminous? - CORRECT ANSWERS-Main Sequence
Which luminosity class is a rare group of giant stars? - CORRECT ANSWERS-Bright Giants
Which color represents the hottest star? - CORRECT ANSWERS-Violet-Blue
, From the luminosity class of a star, we can determine its ______ - CORRECT ANSWERS-
luminosity
Each lettered spectral class is further categorized by subdividing into ___ subdivisions. - CORRECT
ANSWERS-10
Which luminosity class does our Sun belong to? - CORRECT ANSWERS-Main Sequence
The stages of the stellar life cycle that follow after the main sequence depend on the ______ of a star. -
CORRECT ANSWERS-mass
For about a _______ a supernova can emit at an energy rate equal to 10 Suns. - CORRECT
ANSWERS-week
In Astronomy, _________ is not considered a heavy element. - CORRECT ANSWERS-hydrogen
Which is not an end stage for a star? - CORRECT ANSWERS-Green Dwarf
Most ____________ are detected as pulsars. - CORRECT ANSWERS-neutron stars
In the Supergiant stage, the luminosity ________ even though the surface temperature __________. -
CORRECT ANSWERS-increases, decreases
A ___________ is an object with a gravitational field so strong that even light cannot escape it. -
CORRECT ANSWERS-black hole
A _______ is born from the collapse of an interstellar cloud. - CORRECT ANSWERS-star
What is the final stage of our Sun? - CORRECT ANSWERS-White Dwarf
