Around the World in 95 Minutes: What It Takes to Be a Celestial Telescope
Imagine if it were your job to literally go around the world every 95 minutes. Wouldn’t you want to retire after 27 years? Well the Hubble Space Telescope, the “world’s first large, space-based optical telescope,” has reached that point. NASA is beginning its final tests on its replacement, the James Webb Space Telescope (JWST). JWST, costing nine billion dollars, is going into its [...]