Astronomical Register: A Medium of Communication for Amateur Observers and All Others Interested in the Science of Astronomy, Volumen8J. D. Potter., 1871 |
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Página 37
... umbra was clearly seen , surrounded with a brownish annulus , and watched until its egress was near . While III . was on the disc the intensely black umbra was found to be about two - thirds of its diameter , and the breadth of the ...
... umbra was clearly seen , surrounded with a brownish annulus , and watched until its egress was near . While III . was on the disc the intensely black umbra was found to be about two - thirds of its diameter , and the breadth of the ...
Página 93
... umbra a bright white patch , supported by four arms springing from the penumbra ; a fifth bridge also crossed the spot further south . Another smaller spot was likewise divided by a number of bright streaks , meeting towards the centre ...
... umbra a bright white patch , supported by four arms springing from the penumbra ; a fifth bridge also crossed the spot further south . Another smaller spot was likewise divided by a number of bright streaks , meeting towards the centre ...
Página 108
... umbra . have broken out in the middle of the bridge . in the field of the telescope it attracted my attention , and I felt confident it had not presented that aspect when it had clouded over 5 m . before . I should say the bridge was ...
... umbra . have broken out in the middle of the bridge . in the field of the telescope it attracted my attention , and I felt confident it had not presented that aspect when it had clouded over 5 m . before . I should say the bridge was ...
Página 109
... umbra must , therefore , have extended over 72,900 miles in length and 58,275 miles in width . Mr. Elger states : - " The most rapid and extraordinary changes were remarked in the long straggling umbra of this spot . There were evident ...
... umbra must , therefore , have extended over 72,900 miles in length and 58,275 miles in width . Mr. Elger states : - " The most rapid and extraordinary changes were remarked in the long straggling umbra of this spot . There were evident ...
Página 124
... umbra . Mr. Howlett could corroborate Mr. Browning , and state that in hundreds of cases of symmetrical spots , which on approaching the limb became foreshortened , he had seen the umbra still in the centre , He thought the photosphere ...
... umbra . Mr. Howlett could corroborate Mr. Browning , and state that in hundreds of cases of symmetrical spots , which on approaching the limb became foreshortened , he had seen the umbra still in the centre , He thought the photosphere ...
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Astronomical Register: A Medium of Communication for Amateur ..., Volúmenes15-16 Vista completa - 1878 |
Términos y frases comunes
1st Ec 1st Sh 1st Tr 2nd Ec 2nd Sh 2nd Tr 3rd Ec altitude appearance April Aristarchus Astronomical Occurrences Astronomical Register Aurora band belt bright centre clouds colour comet Conjunction of Moon constellation corona correspondents crater dark December diameter disc eclipse edge equatorial eye-piece flint Greenwich heavens Hebrew Hebrew Alphabet Herodotus Herschel horizon Huggins illumination inches aperture Inferior Conjunction instrument John Herschel JOSEPH GLEDHILL Jupiter Jupiter's Satellites letter light lunar Mare Serenitatis Mean Noon Melbourne telescope Mercury Meridian Passage meteor minutes month Moon's motion nebula Neptune night noticed November object Observatory Occultation Orion passes the meridian penumbra planet present prism Proctor Professor Reappearance of ditto reflecting telescope reflector refractor remarkable Right Ascension ring Royal Astronomical Society Saturn seen shadow Sidereal spectroscope speculum stars sun's Thur tion transit Tues Uranus Venus visible zenith zodiacal light
Pasajes populares
Página 269 - And he put down the idolatrous priests, whom the kings of Judah had ordained to burn incense in the high places in the cities of Judah. and in the places round about Jerusalem, them also that burned incense unto Baal, to the sun, and to the moon, and to the planets, and to all the host of heaven.
Página 1 - Their line is gone out through all the earth : and their words to the end of the world. In them hath he set a tabernacle for the sun : Which is as a bridegroom coming out of his chamber, and rejoiceth as a strong man to run a race. His going forth is from the end of the heaven, and his circuit unto the ends of it: and there is nothing hid from the heat thereof.
Página 49 - President, in the Chair. The minutes of the last Annual Meeting were read and confirmed. The President appointed as Scrutineers of the Ballot, Mr.
Página 3 - And out of the ground the Lord God formed every beast of the field', and every fowl of the air', and brought them to Adam to see what he would call them ' ; and whatsoever Adam called every living creature', that was the name thereof.
Página 199 - We could tell, for example, the number of degrees which this amount of heat would impart to a globe of water equal to the earth, in size. Mayer and Helmholtz have made this calculation, and found that the quantity of heat which would be generated...
Página 199 - ... 7. — The darkness is coming on with insidious steadiness, and its advances can only be perceived by comparing one day with its fellow of some time back. We still read the thermometer at noonday without a light, and the black masses of the hills are plain for about five hours, with their glaring patches of snow ; but all the rest is darkness. The stars of the sixth magnitude shine out at noonday. Except upon...
Página 224 - Linné in the heliometer of the observatory at Bonn, and found it shaped exactly, and with the same throw of shadow, as he remembered to have seen it in 1831. '•' The event," he says, " of whatever nature it might have been, must have passed away without leaving any trace observable by me.
Página 199 - The amount of heat thus developed would be equal to that derived from the combustion of fourteen globes of coal, each equal to the earth in magnitude. And if, after the stoppage of its...
Página 2 - In the beginning was the Word, and the Word was with God, and the Word was God. The same was in the beginning with God; all things were made by Him (the Word), and without Him was not anything made that was made.
Página 199 - Spitzbergen, which has the advantages of an insular climate, and tempered by ocean currents, no Christians have wintered in so high a latitude as this.* They are Russian sailors who made the encounter there — men inured to hardships and cold. Our darkness has ninety days to run before we shall get back again even to the contested twilight of to-day. Altogether our winter will have been sunless for one hundred and forty days.