description Hubble Space Telescope Overview
Despite the emergence of newer observatories, the Hubble Space Telescope remains a vital tool for astronomical research. Its long operational history has provided a wealth of data, contributing to countless discoveries about the universe. While its capabilities are surpassed by JWST in some areas, Hubble's visible and ultraviolet observations are still crucial for understanding planetary science and galaxy evolution. Its legacy of stunning images and groundbreaking science ensures its continued relevance.
help Hubble Space Telescope FAQ
How long has the Hubble Space Telescope been in orbit?
Hubble was launched into low Earth orbit aboard the Space Shuttle Discovery on April 24, 1990. It has been operational for over three decades, far exceeding its original 15-year planned life expectancy.
Why did Hubble initially have blurry vision after its launch?
The telescope's primary mirror had been ground to the wrong shape due to a calibration error, leaving it with a spherical aberration. NASA famously fixed this in 1993 during the STS-61 servicing mission by installing the Corrective Optics Space Telescope Axial Replacement (COSTAR).
What agency operates the Hubble Space Telescope?
It is a massive joint project between NASA and the European Space Agency (ESA). The Science Mission Operations for the telescope are managed by the Space Telescope Science Institute located in Baltimore, Maryland.
Is Hubble still relevant after the launch of the James Webb Space Telescope?
Yes, Hubble remains vital because it primarily observes the universe in visible and ultraviolet light, whereas James Webb focuses on infrared observations. Astronomers frequently use the two telescopes in tandem to create comprehensive, multi-wavelength composite images of deep space phenomena.
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