Astronomy - Stars Unit Test Review
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Absolute Magnitude - CORRECT ANSWER - The actual brightness of a star
Apparent Magnitude - CORRECT ANSWER - the brightness of a star as seen from Earth
Constellation - CORRECT ANSWER - A group of stars that form a pattern in the sky
Red Giant Star - CORRECT ANSWER - A very large star of high luminosity and low
surface temperature.
HR Diagram - CORRECT ANSWER - A graph relating the temperature and brightness of
stars
Main Sequence star - CORRECT ANSWER - A star that is currently fusing hydrogen into
helium in its core
Spectrometer - CORRECT ANSWER - A tool that uses a prism to break light into its
component colors.
Parallax - CORRECT ANSWER - An apparent shift in the position of an object when
viewed from different locations
Star - CORRECT ANSWER - A ball of hot gas, primarily hydrogen and helium, that
undergoes nuclear fusion.
Blue giant star - CORRECT ANSWER - The hottest and most luminous type of star
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Absolute Magnitude - CORRECT ANSWER - The actual brightness of a star
Apparent Magnitude - CORRECT ANSWER - the brightness of a star as seen from Earth
Constellation - CORRECT ANSWER - A group of stars that form a pattern in the sky
Red Giant Star - CORRECT ANSWER - A very large star of high luminosity and low
surface temperature.
HR Diagram - CORRECT ANSWER - A graph relating the temperature and brightness of
stars
Main Sequence star - CORRECT ANSWER - A star that is currently fusing hydrogen into
helium in its core
Spectrometer - CORRECT ANSWER - A tool that uses a prism to break light into its
component colors.
Parallax - CORRECT ANSWER - An apparent shift in the position of an object when
viewed from different locations
Star - CORRECT ANSWER - A ball of hot gas, primarily hydrogen and helium, that
undergoes nuclear fusion.
Blue giant star - CORRECT ANSWER - The hottest and most luminous type of star
