The James Webb Space Telescope took more than two decades and $10 billion to build. It's one of NASA's most expensive science projects. A combination of difficult engineering and mismanagement led to cost overruns and delays. Now it's nearly a million miles from Earth, preparing to capture images of the first stars that formed over 13 billion years ago. MORE BUSINESS INSIDER VIDEOS: Why Two Pounds Of Dirt From Mars Costs $9 Billion | So Expensive https://www.youtube.com/watch?v=fEkpAYhIcI4 Why Spacesuits Are So Expensive | So Expensive https://www.youtube.com/watch?v=_SZujgXkpKM Why This Controversial Jet May Cost $1.7 Trillion | True Cost https://www.youtube.com/watch?v=_zG1S87ptSA ------------------------------------------------------ #Telescope #TrueCost #BusinessInsider Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit us at: https://www.businessinsider.com/ Subscribe: null BI on Facebook: https://read.bi/2xOcEcj BI on Instagram: https://read.bi/2Q2D29T BI on Twitter: https://read.bi/2xCnzGF BI on Snapchat: https://www.snapchat.com/discover/Business_Insider/5319643143 Boot Camp on Snapchat: https://www.snapchat.com/discover/Boot_Camp/3383377771 How NASA’s James Webb Telescope Went $9B Over Budget | True Cost