4 ms·
I was referring to David Kipping: http://user.astro.columbia.edu/~dkipping/index.html http://user.astro.columbia.edu/~dkipping/index.html :)
by deadmutex 5y ago
I was referring to David Kipping: http://user.astro.columbia.edu/~dkipping/index.html http://user.astro.columbia.edu/~dkipping/index.html
:)