There are no meanings for ' Srijan ' in our English-Hindi Dictionary, please suggest if you know the meaning Click Here
Hubble is the only telescope designed to be serviced in space by astronauts. After launch by Space Shuttle Discovery in 1990, four subsequent Space Shuttle missions repaired, upgraded, and replaced systems on the telescope. A fifth mission was canceled on safety grounds following the Columbia disaster (2003).
Date: May 11-24, 2009. The Hubble Space Telescope was reborn with Servicing Mission 4 (SM4), the fifth and final servicing of the orbiting observatory. During SM4, two new scientific instruments were installed â the Cosmic Origins Spectrograph (COS) and Wide Field Camera 3 (WFC3).TS-125 was Grunsfeld's fourth mission and his third trip to the Hubble Space Telescope. Grunsfeld had flown three times previously, STS-67 in 1995, and Hubble missions STS-81 in 1997, and STS-103 in 1999.