On the navigation bar below, click i to read about each portfolio when it opens, and descriptions for each image contained within. Click i again to close the pop up window.
For example: Several astronomy photos feature contributions written by observers about their forefront research with the telescopes when the shutter was clicked. To illustrate, in the description for this Keck Portfolio photograph, astronomers Shelley Wright and Nick Scoville explain their 2007 program using the Keck II Laser Guide Star and OSIRIS instruments.
You will find camera data, links, and other information as well.