The second planet from the Sun in the Solar System.
From the Ra Contact: Ra’s native planet; it was a third-density planet approximately 2.6 billion years ago; there was rapid progress of the mind/body/spirit complexes upon its surface due to harmonious interaction; those of Ra, as a social memory complex, had left its influence long ago and are no longer of it; its present population is fifth-density, though its core vibrational frequency is sixth density.
Reference
6.4-7, 6.21, 6.23, 29.18, 30.14, 41.26, 76.11, 88.13-15, 89.9-12, 89.28, 89.32, 89.39, 90.18