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The fourth day of Space Shuttle Atlantis's mission to the Hubble Space Telescope will bring the sunset of Hubble's longest serving, most prolific instrument NASA's Wide Field and Planetary Camera 2 (WFPC2). The camera, the workhorse of Hubble imaging for over 15 years, will return to Earth aboard Atlantis this month. The camera saved the day for Hubble after the observatory's original camera had a “vision problem.“ On May 4, WFPC2 imaged nebula K4-55. The camera's final pretty picture shows a planetary nebula, with the outer layers of a star expelled when the star died. Play to Earn Crypto: Play to Earn Crypto:
