Re: JPL Planetary Ephemeris DE405

2018-02-23 Thread Ole Streicher
Roberto writes: > On Fri, Feb 23, 2018 at 09:14:32AM +0100, Ole Streicher wrote: >> Then (and may be more important): These files are not copyrightable ad >> all, since they are natural data; they describe *facts*. As one can't >> copyright the distance to the moon, one can't

Re: JPL Planetary Ephemeris DE405

2018-02-23 Thread Roberto
On Fri, Feb 23, 2018 at 09:14:32AM +0100, Ole Streicher wrote: > Then (and may be more important): These files are not copyrightable ad > all, since they are natural data; they describe *facts*. As one can't > copyright the distance to the moon, one can't copyright the details of > earth rotation.

Re: JPL Planetary Ephemeris DE405

2018-02-23 Thread Hendrik Weimer
Ole Streicher writes: > I think that these files are public domain: First, they are originated > by nasa.gov, which is a U.S. governmental institution, and so they are > PD by law. This is only true within the United States. Internationally, U.S. govt works are still

Re: JPL Planetary Ephemeris DE405

2018-02-23 Thread Ole Streicher
Hi Hibby, I think that these files are public domain: First, they are originated by nasa.gov, which is a U.S. governmental institution, and so they are PD by law. Then (and may be more important): These files are not copyrightable ad all, since they are natural data; they describe *facts*. As