Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 426
t opposed to it. On the other hand, the distances found for globular clustersindicate that the dimensions of our galactic system are of theorder of at least 300,000 Ught-years. The measures of rotationin spirals do not seem to permit, in some cases at least, ofdistances of this order, and this…
Astronomy
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