This photograph is the second in a sequence of four pictures taken the morning of September 11, 2001, by photographer Robert Clark. The image shows United Flight 175, just before it crashed into the South Tower of the World Trade Center, at 9:03 a.m. American Airlines Flight 11 had crashed into the North Tower at 8:46 a.m.
Please click on the image, to enlarge it.
The image above, with the three accompanying images, appeared in a special edition of Life magazine in November of 2001. The sequence of images had originally appeared in Time magazine, in the days after September 11th.
The four pictures can be seen at the following Internet Archive link, which shows the full Time magazine issue from September 2001. Navigation arrows allow one to scroll through spreads of the magazine's pages. The two pages of photos by Mr. Clark appear alongside an introductory two-page spread (featuring a photograph by Gulnara Samoilova); both spreads are preceded by the image of the magazine's cover.
https://archive.org/details/time-magazine-september-11-2001-2001-09-14-red/page/n1/mode/2up
(Image above, and four images at Internet Archive © Robert Clark/Aurora Photos, and Time, Inc.; additional image in Time issue © Gulnara Samoilova, and Associated Press. )
