 | 1897 - 918 pages
...brightness within an observer's lifetime, seemed to lie hopelessly quite outside the limits of man's powers. Still, it was only too clear that, so long as we were...motion In space, and many of the great problems of the construction of the heavens, must remain more or less imperfectly known. Now as the color of a given... | |
 | 1891 - 680 pages
...of recession of the stars be even detected, much less could they be measured. A body coming directly towards us or going directly from us appears to stand...the stars' motions which lie in the line of sight, the.speed and direction of the solar motion in space, and many of the great problems of the constitution... | |
 | British Association for the Advancement of Science - 1892 - 1258 pages
...of recession of the stars be even detected, much less could they be measured. A body coming directly towards us or going directly from us appears to stand...great problems of the constitution of the heavens, mnst remain more or less imperfectly known. Now the spectroscope has placed in our hands this power,... | |
 | British Association for the Advancement of Science - 1892 - 1146 pages
...of recession of the stars be even detected, much less could they be measured. A body coming directly towards us or going directly from us appears to stand...direction of the solar motion in space, and many of tlie great problems of the constitution of the heavens, must remain more or less imperfectly known.... | |
 | 1892 - 790 pages
...stars we can receive no assistance from change of size or of brightness. The stars show no true disks in our instruments, and the nearest of them is so...great problems of the constitution of the heavens, must remain more or less imperfectly known. Now the spectroscope has placed in our hands this power,... | |
 | Astronomical Society of the Pacific - 1892 - 392 pages
...nearest star is so far off, that if it were approaching us at the rate of one hundred miles per second, a whole century of such rapid approach would not do...increase its brightness by the one-fortieth part. Photometric observations combined with its ascertained parallax show that Sirius emits from forty to... | |
 | Astronomical Society of the Pacific - 1892 - 344 pages
...nearest star is so far off, that if it were approaching us at the rate of one hundred miles per second, a whole century of such rapid approach would not do...increase its brightness by the one-fortieth part. Photometric observations combined with its ascertained parallax show that Sirius emits from forty to... | |
 | Smithsonian Institution. Board of Regents - 1893 - 816 pages
...stars we can receive no assistance from change of size or of brightness. The stars show no true disks in our instruments, and the nearest of them is so...great problems of the constitution of the heavens, must remain more or less imperfectly known. Now the spectroscope has placed in our hands this power,... | |
 | 1900 - 600 pages
...brightness within an observer's lifetime, seemed to lie hopelessly quite outside the limits of man's powers. Still, it was only too clear that, so long as we were...unable to ascertain directly those components of the star's motions which lie in the line of sight, the speed and direction of the solar motion in space,... | |
 | Smithsonian Institution. Board of Regents - 1893 - 778 pages
...stars we can receive no assistance from change of size or of brightness. The stars show no true disks in our instruments, and the nearest of them is so...great problems of the constitution of the heavens, must remain more or less imperfectly known. Now the spectroscope has placed in our hands this power,... | |
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... part. Still it was only too clear that so long as we were unable to ascertain directly those components of the stars' motions which lie in the line of sight, the speed and direction of the solar motion in space, and many of the great problems of the... 
