Astronomers use telescopes, satellites, space probes, and spectroscopes to make observations and collect data about objects inside the solar system and outside the solar system. These tools and the associated technology that allow astronomers to analyze and interpret the data help scientists learn about the Solar system and about the Universe.
Spectroscopes
Spectroscopes collects the light from distant stars and separate that light into bands of different colors; by studying these bands, astronomers identify the elements in a star.
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Spectroscopes collects the light from distant stars and separate that light into bands of different colors; by studying these bands, astronomers identify the elements in a star.