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WorksheetsMeasuring the Stars
Total questions: 25
Worksheet time: 14mins
measures how bright a star would be in relation to the sun if all stars were the same distance from the observer
Brightness
Luminosity
Apparent Magnitude
Shows the relationship between luminosity and temperature in a star.
HR (Hertzsprung - Russell) Diagram
Color vs. Brightness chart
Temperature vs. Luminosity chart
Stellar life cycle chart
A pattern of stars in the sky is called a _____________.
combination
star shape
universe
constellation
Apparent Magnitude
the brightness of a star as seen from Earth have at a distance of 32.6 light-years from Earth Luminosity The actual brightness of a star
the brightness that a star would have at a distance of 32.6 light-years from Earth
the location on the H-R diagram where most stars lie
the brightness of a star as seen from Earth
How many constellations are there currently?
12
24
88
89
What percentage of stars are in the main sequence?
12
24
88
95
What characteristic does affect the temperature of stars
luminosity
mass
color
distance
What is the classification of stars on the HR Diagram
ABCDEFG
OBAFGKM
MKGFABO
999NVRMND
When reading the HR Diagram the stars brightness and temperature are:
The opposite
Not equal
The same
Does not matter
Which relationships are correct
(Check the boxes that apply)
Hotter stars are brighter than cooler stars
Brighter stars are cooler than hotter stars
All hot stars are red
Bigger stars are hotter
What is true about circumpolar constellations
Check all that apply
Constellations rotate around the North pole
Constellations rotate around the South pole pole
Can be seen year round
Are seen at the equator
Which star cluster is densely packed and spherical shaped
open
nebula
globular
Milky Way
Majority of stars are made up of what type of gas(es)
Carbon
Hydrogen
Oxygen
Helium
How many constellations are in the zodiac?
12
88
95
73
What stars are located in the upper left quadrant of the HR Diagram
Coolest, dimmest
Hottest, brightest
smallest, dimmest
largest, hottest
What characteristics are on the HR Diagram
(Check all that apply)
Temperature
Luminosity
Absolute Magnitude
Star Class
Group of stars named after mythological characters or everyday objects
open cluster
constellations
globular
galaxy
Which statement best describes "stellar parallax" when measuring star distance?
as a term used for "parsec"
as another term used for "light year"
the geometric term for stellar angles
the apparent shifting of a star's position over a year
Which statements are true
(Check all that apply)
magnitude is equal to brightness
Luminosity is equal to power (energy)
mass is equal to temperature
Temperature is equal to brightness
