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" A glance is sufficient to show that neither apparent magnitude nor apparent proper motion can afford a definite criterion of the distance of any fixed star — that different stars really differ greatly in absolute brightness and in absolute motion. And... "
Nature - Stran 158
uredili: - 1884
Celotni ogled - O knjigi

Proceedings, Količina 11

Royal Institution of Great Britain - 1887
...sufficient to show that neither apparent magnitude nor apparent proper motion can afford a definite criterion of the distance of any fixed star — that...or that particular star, but we have to solve the mnch broader questions — 1. What are the average parallaxes of stars of the first, second, third,...
Celotni ogled - O knjigi

Annual Report of the Board of Regents of the Smithsonian Institution

Smithsonian Institution. Board of Regents - 1885
...fixed star— that different stars really differ greatly in absolute brightness and in absolute motion. "The great cosmical problem that we have to solve...or that particular star, but we have to solve the nmch broader questions — " 1. What are the average parallaxes of stars of the first, second, third,...
Celotni ogled - O knjigi

Annual Report of the Board of Regents of the Smithsonian Institution

Smithsonian Institution. Board of Regents - 1885
...star— that different stars really differ greatly in absolute brightness and in absolute motion. " The great cosmical problem that we have to solve is...— "1. What are the average parallaxes of stars of the first, second, third, and fourth magnitudes, compared with those of fainter magnitude? " 2. What...
Celotni ogled - O knjigi

Nature, Količina 30

Sir Norman Lockyer - 1884
...And now, what is the work before us in the future ? The great cosmical problem that we have to so'.ve is not so much what is the parallax of this or that...— 1. What are the average parallaxes of stars of theyfr//, second, third, and fourth magnitudes, compared with those of fainter magnitude ? 2. What...
Celotni ogled - O knjigi




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