What is a spiral nebulae?

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  • What is a spiral nebulae?


A spiral galaxy is a type of galaxy originally ... Spiral arms are regions of stars ... observed Cepheid variables in several spiral nebulae, including ...
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Positive: 40 %
The Spiral Nebulae and the Great Debate. ... called “spiral nebulae,” was generating a lot of debate because the nature of these nebulae was not ...
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Positive: 37 %

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are really spirals. Get to the root of it. ... In the decades after Lord Rosse’s discovery, astronomers found many other spiral nebulae.
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Positive: 40 %
The 'Great Debate': What Really Happened ... arguments in the current controversy over the dimensions of our Galaxy and the status of the 'spiral' nebulae.
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Positive: 35 %
Shapley believed the spiral nebulae was within our galaxy; Curtis argued that the spiral nebulae could be its own rotating star system.
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Positive: 21 %
... arms containing younger stars spiral out from old stars ... spiral nebula. ... any of the billions of systems each having many stars and nebulae and ...
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Positive: 10 %

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