What did Annie Jump Cannon study to categorize stars?
Their spectrum
Their color
Their brightness
Their distance
Answer
Annie Jump Cannon used the spectrum of stars to categorize them. The spectrum of a star is the pattern of light that is emitted by the star. The spectrum of a star can tell us a lot about the star, including its temperature, mass, and age. By studying the spectrum of stars, Annie Jump Cannon was able to create a system for classifying stars.
Shooting for the Stars: The Remarkable Journey of Annie Jump Cannon
More Questions
How did Annie's work on the classification of stars impact the field of astronomy?
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In recognition of her contribution to astronomy, Annie Jump Cannon was awarded the..?
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