English: Jupiter trojan 16974 Iphthime and its satellite, imaged by the Hubble Space Telescope's WFC3 imager from 24 May 2018 to 2 June 2018. Source images have been in public domain since 2018-12-02. Proposal IDs 15142 (Scott S. Sheppard).
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
Uploaded a work by Hubble Space Telescope/Keith Noll (processing by {{user at project|Nrco0e|wikipedia|en}}) from https://archive.stsci.edu/proposal_search.php?id=15142&mission=hst with UploadWizard