1960a (earlier version)

1960a

The following is a reference to a monograph by H. Aspden published privately in 1960.

THE THEORY OF GRAVITATION

The full text of this work has now been added to these web pages and may be accessed by pressing: The Theory of Gravitation.


Helix Nebula (NGC 7293) — the nearest planetary nebula to Earth, imaged in ultraviolet by NASA's Galaxy Evolution Explorer
Helix Nebula (NGC 7293), the nearest planetary nebula to Earth (~655 light-years). Sometimes called the “Eye of God.” Credit: NASA/JPL-Caltech/SSC (Galaxy Evolution Explorer) · NASA Image Library ↗