It might not seem obvious why astronomers need multiple different powerful space telescopes. Surely a more powerful telescope is better than a less powerful one? So why are there multiple different telescopes in orbit, either around Earth or around the sun?
Recommended Videos The other important factor for space telescopes is the wavelength which they operate in. Both Hubble and the James Webb Space Telescope are used to study objects like galaxies, but they do so in different wavelengths. Hubble operates primarily in the visible light wavelength, the same as human eyes, while Webb operates in the infrared. That means that they can see different aspects of the same objects.
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