spacetelescope, 14 days ago #OTD in 2009, the final #Hubble servicing mission launched. SM4 had an ambitious list of tasks designed to bring Hubble to the apex of its scientific capabilities and ensure it would operate for many years to come. (1/3) 🧵
#OTD in 2009, the final #Hubble servicing mission launched. SM4 had an ambitious list of tasks designed to bring Hubble to the apex of its scientific capabilities and ensure it would operate for many years to come. (1/3) 🧵
