What was the first space telescope built by NASA? 
 Hubble Space Telescope
 Chandra X-Ray Observatory
 Compton Gamma-Ray Observatory
 James Webb Space Telescope
 8. What advantage do space telescopes have over telescopes used on Earth?
 They are much cheaper to build.
 They are not affected by Earth’s atmosphere.
 They do not need lenses or mirrors to gather light.
 They last longer.