In the late 1800s, Kelvin and Helmholtz suggested that the Sun stayed hot due to gravitational contraction.
Question
In the late 1800s, Kelvin and Helmholtz suggested that the Sun stayed hot due to gravitational contraction. What was the major drawback to this idea? – Q/A (Question and Answer)
Test Answer
Answer:
It predicted that the Sun could shine for about 25 million years, but geologists had already found that Earth is much older than this.
Recource ASTRO101 Final
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