It forms no proof that the moon, or any of the planets, is destitute of an atmosphere, because its constitution, its density, and its power of refracting
the rays of light are different from ours.
Opposite to this rises the wing of a shelving cliff, which overhangs the basin and forces back the rising spray, refracting
in the sunshine all the colours of the rainbow.
The main mass consisted of a crystalline, double- refracting
silicate, drenched through with an ill- smelling organic substance.