pulsation theory
Astronomy
noun
A theory explaining the behaviour of certain types of variable stars as due to the expansion and contraction of, or ripples in, their outer layers.
Origin
1920s.
| 单词 | pulsation theory |
| 释义 | pulsation theoryAstronomy noun A theory explaining the behaviour of certain types of variable stars as due to the expansion and contraction of, or ripples in, their outer layers. Origin |
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