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1918 in science : ウィキペディア英語版
1918 in science

The year 1918 in science and technology involved some significant events, listed below.
==Astronomy==

* June 8 – Nova Aquila, the brightest observed since 1604, is discovered.
* Kiyotsugu Hirayama identifies several groups of main belt asteroids, now known as Hirayama families.
* Harlow Shapley demonstrates that globular clusters are arranged in a spheroid or halo whose center is not the Earth, but the center of the galaxy.
* Max Wolf discovers the star Wolf 359.
* Heber Curtis discovers a relativistic jet of matter emerging from Elliptical galaxy M87.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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