Since then, instruments such as the legendary Hubble Space Telescope have proved him right. But the Spitzer telescope's infrared vision is the keenest ever, thanks to a mirror nearly three feet (0 ...
The Hubble is just one of NASA's orbiting "great observatories." The group also includes the Spitzer Space Telescope and the Chandra X-ray Observatory. Spitzer is an infrared orbiting telescope ...
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