Credit: NASA’s Goddard Space Flight Center The ... the core portion will return to the large clean room at Goddard for post-test inspections. They'll confirm that everything remains properly ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On June 10, 1854, Georg Friedrich Bernhard Riemann gave his classic lecture on curved space ...

Nebulas — colorful clouds of expanding gas and dust — have long captivated stargazers with their beauty. Here are 28 of the most stunning nebulas in the universe.