Early Astrophysics
In the mid-19th century, the focus of astronomy changed. Instead of concentrating on the position of celestial objects in the sky, astronomers became curious about the nature of those objects. Stars were no longer simply moving pinpoints of light – their mass, size, and physical composition assumed great importance. The invention of the spectroscope – an instrument for analyzing light – linked physics to astronomy. Astrophysics had begun.
Astrophysics
Astrophysics is the study of the origin, composition, and interactions of celestial objects, the natural processes that occur in them, and
the physical forces that act upon them. Astrophysics is a branch
of astronomy.
براي ديدن ترجمه "ادامه مطلب" را كليك كنيد.
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