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- 1. Multiple Choice
In the diagram given, what happens as we move to the left?Stars Get LargerStars get ColderStars get hotter - 2. Multiple ChoiceWhich of these stars is hottest?Red StarYellow StarOrange StarBlue Star
- 3. Multiple ChoiceWhich star is the coldest?Yellow StarRed StarOrange StarBlue Star
- 4. Multiple ChoiceCompared to the rest of the stars, our sun is considered...Extremely Large and ColdSmall with a medium temperatureMedium size with medium temperature
- 5. Multiple ChoiceWhich category is our Sun located in?White DwarfsSupergiantsMain SequenceGiants
- 6. Multiple ChoiceThe category that contains the most stars is...Main SequenceSupergiantsGiants
- 7. Multiple ChoiceAs a whole, Giants are considered hotter than White Dwarfs.TrueFalse
- 8. Multiple ChoiceRed stars are the _____________.hottestcoolestbiggestbrightest
- 9. Multiple ChoiceBlue stars are the _____________.hottestcoolestsmallest
- 10. Multiple ChoiceLook at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?BetelguseSirius BProcyon BBarnard's star - 11. Multiple ChoiceWhich star has the lowest temperature?ABCD
- 12. Multiple ChoiceWhich spectral class does our star, the sun, belong to?MKGF
- 13. Multiple Choice
Which star shown below is brightest?
a magnitude -1 star
a magnitude 1 star
a magnitude 2 star
a magnitude 3 star
- 14. Multiple Choice
What is the correct order of spectral class - from hottest to coolest?
B F G K O A M
O B A F G K M
M K G F A B O
- 15. Multiple Choice
A, D, and E are all on the main sequence. What are they fusing in their cores?
H into He
H and He into Li
He into C
- 16. Multiple Choice
What small, hot, faint objects are found at B?
neutron stars
black holes
white dwarfs
brown dwarfs
- 17. Multiple Choice
What objects are found at C?
Blue giants
Red giants
White dwarfs
Main sequence stars
- 18. Multiple ChoiceThe HR Diagram shows a relationship of a star's surface temperature and itscolorsizeapparent magnitudeabsolute magnitude
- Answer choicesTagsAnswer choicesTags