NASA Is Studying a Private Mission to Boost Hubble's Orbit. Is It Worth the Risk? - Scientific American
Hubble telescope marks another milestone in space - CBS News
Hubble Space Telescope (HST) | History, Discoveries, & Facts | Britannica
James Webb Space Telescope (JWST) — A complete guide | Space
How much does NASA's new telescope cost? – Andrew Steele
James Webb Telescope Facts Including Cost, Orbit As Launch Date Set
None Of Us Is Perfect — Not Even The Venerable Hubble Space Telescope : NPR
Hubble Space Telescope: Pictures, facts & history | Space
About - Facts | Hubble FAQs | NASA
As Hubble telescope reaches its quarter century 25 facts about it - Mirror Online
Telescopes on the ground may be cheaper, but Hubble shows why they are not enough
NASA $10-billion James Webb Space Telescope cost more, took longer than planned : NPR
Comparing the veteran Hubble vs. the new Webb space telescope - Los Angeles Times
About - Facts | Hubble FAQs | NASA
Webb's launch delayed to 2021 at an extra cost of nearly $1 billion – Spaceflight Now
/cdn.vox-cdn.com/uploads/chorus_image/image/69892662/33433274343_277deba9eb_o.0.jpg "The Webb Space Telescope is 100x as powerful as the Hubble. It will change astronomy. - Vox")
The Webb Space Telescope is 100x as powerful as the Hubble. It will change astronomy. - Vox
NASA And SpaceX Consider Daring Plan To 'Reboost' The Hubble Space Telescope
Hubble Space Telescope: history and facts | BBC Sky at Night Magazine
Hubble Telescope's Silver Anniversary - Sky & Telescope - Sky & Telescope
File:Hubble Space Telescope Support Systems Module (27712253693).jpg - Wikimedia Commons
NASA's new space telescope costs shoot the moon (Update)
Scientists Undeterred By Hubble Successor's Costs : NPR
Hubble Space Telescope - Wikipedia
