25 Years Ago: STS-93, Launch of the Chandra X-Ray Observatory https://www.nasa.gov/history/25-years-ago-sts-93-launch-of-the-chandra-x-ray-observatory/ #NASA #NASAHistory![25 Years Ago: STS-93, Launch of the Chandra X-Ray Observatory - NASA](https://keybored.me/photo/preview/640/1275356)
25 Years Ago: STS-93, Launch of the Chandra X-Ray Observatory - NASA
On July 23, 1999, space shuttle Columbia took to the skies on its 26th trip into space, to deliver its heaviest payload ever – the Chandra X-ray Observatory.Kelli Mars (NASA)