Cosmos

    Hubble Space Telescope (HST) ● Launched by - NASA on 24 April 1990. ● Budget   - According to Nasa , HST has cost approximately $16 billion from the beginning in 1977 and this doesn't includes the cost of space shuttle and servicing . ● Size  13.2m long and 4.2 m wide at its back and all instruments in this telescope attached here. ● Weight - 12,246 kg or 27,000 pounds we can assume its size and its weight nearly comparable to a mini bus or a mini truck. ● Used technologies  -    ■ Advanced camera for surveys(ACS)   ■ Cosmis origins spectrograph (COS)   ■ Corrective optics space telescope axial replacement(COSTAR)   ■ Faint object camera(FOC)   ■ Faint object spectrograph (FOS)   ■ Fine guidance sensor(FGS)   ■ Goddard high resolution spectrograph (GHRS/HRS)   ■ High speed photometer(HSP)   ■ Near infrared camera and multi- object spectrometer (NICMOS)   ■ Space telescope imaging spectrograph (STIS) ...