This work is in the public domain because it was published in the United States between 1978 and February 1989, inclusive, without a copyright notice, and its copyright was not subsequently registered with the U.S. Copyright Office within 5 years. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art after 1978.
Unless its author has been dead for several years, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (70 pma), Mainland China (50 pma, not Hong Kong or Macau), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See this page for further explanation.
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]
Ova datoteka sadržava dodatne podatke koje je vjerojatno dodala digitalna kamera ili skener u procesu snimanja odnosno digitalizacije. Ako je datoteka mijenjana, podatci možda nisu u skladu sa stvarnim stanjem.