Located on top of Hawaii 's towering volcano Mauna Kea , the IRTF is the premier telescope for observing in near infrared light. This 3-meter telescope was established in 1979 and spends about half its time observing Solar System objects. In 1994, for example, the IRTF recorded pieces of the famous comet Shoemaker-Levy 9 plunge into Jupiter . Last year, the IRTF recorded an outburst of a volcano on Jupiter's moon Io . IRTF 's observational successes outside our Solar System include understanding the infrared emission of dust and Pre-Main Sequence stars and even the identification of faint galaxies .
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