Public domain
History of Chandra X-Ray Observatory
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Giving scientists their first look, Chandra observed x-rays produced by fluorescent radiation from oxygen atoms of the Sun in the sparse upper atmosphere of Mars, about 120 kilometers (75 miles) above its surface. The x-ray power detected from the Martian atmosphere is very small, amounting to only 4 megawatts, comparable to the x-ray power of about ten thousand medical x-ray machines.
NASA Image and Video Library’s own descriptionCredit lineHistory of Chandra X-Ray Observatory. NASA/MSFC, 2001-07-04. Public domain. ID: 0301104.
