Cosmology and Life

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发表日期：

2025年

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Amri Wandel,
Joseph Gale

摘要

During the early twentieth century, astronomers argued about the nature of the spiral nebulae. Now we know these are galaxies similar to our own, but very far away.

During the early twentieth century, astronomers argued about the nature of the&#xa0;spiral nebulae. &#xa0;Now we know these are galaxies similar to our own, but&#xa0; very far away.

Cosmology and Life

摘要

During the early twentieth century, astronomers argued about the nature of the spiral nebulae. Now we know these are galaxies similar to our own, but very far away.