The Observatory, Volume 56Editors of the Observatory, 1933 Some vols. for 1886- include a special issue: Annual companion to the Observatory. |
From inside the book
Results 1-3 of 40
Page 73
nebula to the " late " spiral nebulæ , the irregular nebulæ being at the end of the sequence , or perhaps outside of it altogether . The distances of the nebulæ have been determined by Hubble in one of three ways : from the apparent ...
nebula to the " late " spiral nebulæ , the irregular nebulæ being at the end of the sequence , or perhaps outside of it altogether . The distances of the nebulæ have been determined by Hubble in one of three ways : from the apparent ...
Page 74
... nebulæ , taken from Holetschek's ap- parent magnitudes , is -14.5 . The President discussed the Harvard photographic apparent magnitudes and deduced the value 13.8 for the mean absolute magnitude . This change of om.7 involves an ...
... nebulæ , taken from Holetschek's ap- parent magnitudes , is -14.5 . The President discussed the Harvard photographic apparent magnitudes and deduced the value 13.8 for the mean absolute magnitude . This change of om.7 involves an ...
Page 270
... nebulæ than of a particular subgroup of these the planetary nebula . Such things as the appearance of the nebula ... nebulæ mentioned in volume 13. of the Publications of the Lick Observatory into six groups whose leading characteristics ...
... nebulæ than of a particular subgroup of these the planetary nebula . Such things as the appearance of the nebula ... nebulæ mentioned in volume 13. of the Publications of the Lick Observatory into six groups whose leading characteristics ...
Contents
Meeting of the Royal Astronomical Society on 1932 December 9 | 9 |
Geophysical Discussion on 1932 November 25 | 22 |
Vol LVI FEBRUARY 1933 Price | 28 |
15 other sections not shown
Other editions - View all
Common terms and phrases
absorption appears astrographic Astronomer Royal atmosphere atomic bright BRITISH ASTRONOMICAL ASSOCIATION Cambridge Cape central intensities centre clocks colour comet comparison stars computed correction craters Crommelin curve Decl density determined discussion distance double stars Earth eclipse effect ephemeris equation equatorial Eros galaxies George Darwin give given Greaves Greenwich instrument interest investigation ionisation Jupiter km./sec latitude layer light lines longitude magnetic magnitude maximum mean measured meteorite meteors method Moon motion nebulæ observations Observatory obtained orbit paper period photographs planet planetary plates position possible present President pressure probable error Prof Professor proper motions radial velocities radiation Right Ascension rotational speed Royal Astronomical Royal Observatory Sir Arthur Eddington Sir Frank Dyson slide Slipher Society Solar Activity solar parallax South spectra spectrograph spectrum spots stellar Sun's sunspot surface telescope temperature theory universe variation wave-length zero