Amidst the recent news about the Hubble Space Telescope’s troubles (and triumphant resurrection), it is sometimes easy to forget that although Hubble is a pretty unique telescope, it is just one of many space-based observatories that are currently zipping overhead right now or perched in a heliocentric orbit. So what is it that makes these observatories less known than the iconic Hubble telescope?
Hubble is one of the longest-lived space telescopes so far, and it is also the only space telescope that was both launched and serviced by the Space Shuttle. None of the other telescopes have this legacy, the high-profile, or troubled history of Hubble’s intended successor: the James Webb Space Telescope (JWST).
Even so, the mission profiles of these myriad other observatories are no less interesting, least of the many firsts accomplished recently such as a long-term moon-based telescope (Chang’e 3’s LUT) and those of the many upcoming and proposed missions. Let’s take a look at the space observatories many of us have never heard of.
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