About Hubble Space Telescope:
- It is a space-borne observatory named after “Edwin Powell Hubble-an astronomer”, and is part of NASA’s “Great Observatories program.
- It is a joint ESA,NASA project and was launched in 1990 into a low-Earth orbit 569 km above the ground.
- It is the largest optical telescope ever launched into space.
Design: At the heart of Hubble are a 2.4 m primary mirror and a collection of five science instruments that work across the entire optical spectrum — from infrared, through the visible, to ultraviolet light.