Question

What are nasa's four great observatories and in what parts of the electromagnetic spectrum do they observe?

Answer 1

1) Hubble Space Telescope- Visible and near-ultraviolet
2) Compton Gamma Ray Observatory- Gamma Rays
3) Chandra X-ray Observatory- X-rays
4) Spitzer Space Telescope- infrared 

Answer 2

Answer:

HUbble space obsevatory

Explanation: