THE NIGHT SKY
eir,-With reference to the paragraph under the above heading referred to in Radio Viewsreel of May 2, I submit the following extract from Sir James Jeans’s book The Universe Around Us which appears to answer the interesting point raised in connection with star distances: "Such figures as 140,000 light-years can convey but little conception of the distance of this remotest of : star-clusters from us (NGC 7006). We may apprehend it better if we reflect that the light by which we see the cluster started on
its long journey from it to us at a time when primeval man still roamed over the earth. Through the childhood, youth, and age of thousands of generations of men, through the long prehistoric ages, through the slow dawn of civilisation and through the whole span of time which history records, through the rise and fall of dynasties and empires, this light has travelled steadily on its course, covering 186,000 miles every second, and is only just reaching us now. And yet this enormous stretch of space does not carry us to the confines of the universe; we shall now see that in all probability it has barely carried us to the confines of the galactic system."
E. M.
WILSON
(Karori).
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New Zealand Listener, Volume 16, Issue 413, 23 May 1947, Page 14
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209THE NIGHT SKY New Zealand Listener, Volume 16, Issue 413, 23 May 1947, Page 14
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