my patronus is a basilisk (jeliza) wrote,
my patronus is a basilisk

instagram cross-post

#Repost @space_telescopes (@get_repost) ・・・ Today marks the 24th anniversary of Hubble’s house call from the space telescope optometrists. On December 7-8, 1993, NASA astronauts Kathryn Thornton and Tom Akers installed Hubble’s Corrective Optics Space Telescope Axial Replacement (COSTAR) and Wide Field Planetary Camera 2 (WFPC2). COSTAR was designed by scientists and engineers at @STScI to compensate for a flaw in Hubble’s primary mirror that resulted in relatively blurry images. WFPC2 replaced the original WFPC, with corrective optics built in. This image shows spiral galaxy M100 as seen with the original WFPC on November 27, 1993 (right) and the same galaxy as seen with the WFPC2 on December 31, 1993 (left). M100, number 100 in Messier’s catalog of non-comets, is located 56 million light-years away in the constellation Coma Berenices. #HubbleHistory #NotAComet Credit: NASA, STScI.

This entry was originally posted at Please comment there using OpenID.
Tags: #hubblehistory, #notacomet, #repost, instagram, photos

  • (no subject)

    I saw a coyote in the neighborhood for the first time in a decade yesterday. It wasn't all skin and bones like the last one I saw, but certainly…

  • Land of enchantment

    Santa Fe is pretty, all blue sky and adobe buildings. Lots of public art, but so far it's just stuff we've seen from the car while settling in and…

  • progress

    My thumb was feeling decent today even if my wrist is a bit dodgy, so I spent some time doodling on adobe sketch which was really frustrating until…

  • Post a new comment


    default userpic

    Your reply will be screened

    Your IP address will be recorded 

    When you submit the form an invisible reCAPTCHA check will be performed.
    You must follow the Privacy Policy and Google Terms of use.