Note 63 — Front matter
Reading edition
The Nebular Hypothesis itself is, of course, far from being an established certainty, and is not devoid of grave difficulties. Into these, however, it is not necessary now to enter.
Reading edition
The Nebular Hypothesis itself is, of course, far from being an established certainty, and is not devoid of grave difficulties. Into these, however, it is not necessary now to enter.