Astronomical Register: A Medium of Communication for Amateur Observers and All Others Interested in the Science of Astronomy, Volumes 15-16J. D. Potter., 1878 - Astronomy |
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Page 2
... possible to believe that the 4 - ft . reflector is not also much superior to the 15 - in . Father Perry was called upon to read two papers , one On some diffraction experiments of M. Ch . André with reference to astrono- mical ...
... possible to believe that the 4 - ft . reflector is not also much superior to the 15 - in . Father Perry was called upon to read two papers , one On some diffraction experiments of M. Ch . André with reference to astrono- mical ...
Page 3
... possible to get rid of the ligament , and reduce the phenomenon to geometrical contacts either by reducing the intensity of the source of light or augmenting the absorbing power of the dark glass . 3. Definition or imperfect focussing ...
... possible to get rid of the ligament , and reduce the phenomenon to geometrical contacts either by reducing the intensity of the source of light or augmenting the absorbing power of the dark glass . 3. Definition or imperfect focussing ...
Page 28
... possible to produce a very similar phenomenon experimentally . In May last I sug- gested a reason for believing the surface of the planet to be in a molten or vitrified state , and that suggestion was so fortunate as to attract the ...
... possible to produce a very similar phenomenon experimentally . In May last I sug- gested a reason for believing the surface of the planet to be in a molten or vitrified state , and that suggestion was so fortunate as to attract the ...
Page 31
... possible that Venus is a huge thermometer bulb hung up in the heavens , but we shall require a great deal of evidence to make us admit such a theory ; and I should like to ask if the atmosphere be vitreous , how are the dark markings ...
... possible that Venus is a huge thermometer bulb hung up in the heavens , but we shall require a great deal of evidence to make us admit such a theory ; and I should like to ask if the atmosphere be vitreous , how are the dark markings ...
Page 32
... possible , we will consider the rays as reflected at the surface of the planet and then refracted . S S ' A VI V alla E If SE be a ray from the north limb of the sun , and CV be a normal to the sur- face at the place where the ray is ...
... possible , we will consider the rays as reflected at the surface of the planet and then refracted . S S ' A VI V alla E If SE be a ray from the north limb of the sun , and CV be a normal to the sur- face at the place where the ray is ...
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Common terms and phrases
1st Oc 1st Sh 1st Tr 2nd Oc 2nd Sh 2nd Tr angle aperture appear Ascension Astronomer-Royal Astronomical Register atmosphere bright lines Bye-laws catalogue centre Christie clouds comet Conjunction of Moon corona corresponding Council crater dark diameter Dione disc distance double stars Dunkin eclipse Editor Encel equatorial error Greenwich heliometer Hyginus inches inner satellite instrument Jupiter Jupiter's Satellites light limb longitude Lord Lindsay lunar Mars Mean Noon measures meeting Mercury meteors miles Mimas minor planet moon's motion Neison object observations Occultation orbit paper parallax photographs planet position present prism Proctor Prof Professor proper motions Ranyard Reappearance of ditto remarks Rhea right ascension ring Royal Astronomical Society Royal Observatory Saturn Schröter seen Sidereal slit spectroscope specular reflection spot surface telescope Tethys theory Thur tion transit of Mercury transit of Venus Tues visible