Science, Volume 69, Issues 1775-18001929 |
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Results 1-5 of 100
Page 2
... observed whose apparent bright- ness as compared with Sirius is less than that of Sirius as compared with our sun . The brightness of a twenty - fifth magnitude star is about equal to that 2 [ VOL . LXIX , No. 1775 SCIENCE VOL LXIX VOL ...
... observed whose apparent bright- ness as compared with Sirius is less than that of Sirius as compared with our sun . The brightness of a twenty - fifth magnitude star is about equal to that 2 [ VOL . LXIX , No. 1775 SCIENCE VOL LXIX VOL ...
Page 3
... observed equally well . The type of mounting to be adopted for this great instrument is still quite free for consideration . If feasible , the type of open fork , similar to that used for the 60 - inch reflector on Mount Wilson , is ...
... observed equally well . The type of mounting to be adopted for this great instrument is still quite free for consideration . If feasible , the type of open fork , similar to that used for the 60 - inch reflector on Mount Wilson , is ...
Page 5
... observed satisfactorily , combine to give these areas advantages beyond those of any we know . Many years of experience on the part of the astronomers at the Lick , Mount Wilson and Lowell observatories , and at the Union and other ...
... observed satisfactorily , combine to give these areas advantages beyond those of any we know . Many years of experience on the part of the astronomers at the Lick , Mount Wilson and Lowell observatories , and at the Union and other ...
Page 7
... observed in the nebulae will throw light on the physical conditions present in what , we have some reason to believe , is their place of origin ; and we may thus find in the observed sequence of nebular forms the past history of our own ...
... observed in the nebulae will throw light on the physical conditions present in what , we have some reason to believe , is their place of origin ; and we may thus find in the observed sequence of nebular forms the past history of our own ...
Page 8
... observed with the 100 - inch reflector on Mount Wilson . It is very faint and probably one of the most distant objects within the range of present telescopes . It was found to be moving away from the earth at the amazing rate of nearly ...
... observed with the 100 - inch reflector on Mount Wilson . It is very faint and probably one of the most distant objects within the range of present telescopes . It was found to be moving away from the earth at the amazing rate of nearly ...
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