Solar observation

A drawing of a sunspot in the Chronicles of John of Worcester[14]

Samuel Heinrich Schwabe (1789–1875). German astronomer, discovered the solar cycle through extended observations of sunspotsRudolf Wolf (1816–1893), Swiss astronomer, carried out historical reconstruction of solar activity back to the seventeenth century

Solar observation is the scientific endeavor of studying the Sun and its behavior and relation to the Earth and the remainder of the Solar System. Deliberate solar observation began thousands of years ago. That initial era of direct observation gave way to telescopes in the 1600s followed by satellites in the twentieth century.

单词	Solar observation
释义	Solar observation 原声例句电台实验室 Like trees are the original astronomers, recording their solar observations. 拉蒂夫：就像树木一样，最初的天文学家记录了他们对太阳的观测。英语百科 Solar observation Solar observation is the scientific endeavor of studying the Sun and its behavior and relation to the Earth and the remainder of the Solar System. Deliberate solar observation began thousands of years ago. That initial era of direct observation gave way to telescopes in the 1600s followed by satellites in the twentieth century.
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