WorksheetsFocused Study: Star Color & Letter Classification
Total questions: 12
Worksheet time: 8mins
The color of a star tells us its
Temperature
Magnitude
Size
Age
Very hot stars are what color?
Red
Orange
Yellow
Blue
A scientist discovers a new star. It is blue-white and is about 20,000 K. Which star is it most similar to?
Sun
Rigel
Vega
Canopus
Put the stars in order from hottest to coolest.
Blue, White, Yellow, Orange, Red
Red, Orange, Yellow, White, Blue
Red, Orange, Yellow, Blue, White
Red, Yellow, Orange, White, Blue
The smallest stars (under normal conditions) have this letter classification
A
G
M
O
Our sun is a "medium type" star and is classified by the letter :
A
G
M
O
The brightest stars (under normal conditions) which are can be 50,000 times brighter than the sun are classified with the letter
A
G
M
O
"M-type" stars are classified as the coolest stars and are the color :
red
yellow
white
blue
