Terms and Conditions


All content on this website, unless otherwise noted below, is the property of David Levitan and cannot be used or copied without my explicit permission except for those rights defined below and those rights recognized as Fair Use under United States law.

All rights for all photographs are on this website are reserved. Photographs on this site that meet the following conditions:

  • are in the Gallery section (including images linked from the Recent Trips section)
  • have my copyright statement embedded in the image
  • have a maximum resolution of 600x600 pixels
  • contain no recognizable humans

are available under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License. This license allows you to use the photograph for non-commerical purposes so long as you do not modify the photograph in anyway and attribute it to myself. For attribution purposes, a link to this site or to the gallery page of the image suffices. If you are interested in obtaining a larger version (either print or digital) of any image, please contact me.

Certain photographs were taken by people other than me using my camera. These photographs are noted as such and are subject to the same terms and conditions as images taken by myself. The NASA mission logos are owned by NASA/JPL and are used on this site under their respective terms (LISA logo/Spitzer logo). Certain images on this site are part of theme packages that are attributed on the About this Site page.

This website is a personal website and does not express the views of Caltech, NASA/JPL, Cornell University, or any other entity mentioned.

Creative Commons License