Spitzer Space Telescope and INTEGRAL, are which type of specific item?
Spitzer Space Telescope: The Spitzer Space Telescope (SST), formerly the Space Infrared Telescope Facility (SIRTF), is an infrared space telescope launched in 2003. INTEGRAL: INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) is a currently operational space telescope for observing gamma rays.
space telescope