Celestial Objects for Common Telescopes volume 1
Celestial Objects for Common Telescopes volume 1
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In our eReader you can find the full English version of the book. Read Celestial Objects for Common Telescopes volume 1 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Celestial Objects for Common Telescopes volume 1
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In 1892, though much fainter, it was again observed. Disturbance in the sub-atmosphere, or possibly in the body of the planet, is the most probable cause of these changes, as they seem to be ejected matter from the lower regions. In 1891, the N. Temperate band JUPITER. I/I and drew a small elliptical black speck close to the limb near the S. Pole. An observation by South affords a beauti- ful illustration of the evanescent nature of some of these objects. 'On June 3, 1839, at i3 h 45"' (siderea...l time) I saw with my large achromatic, immediately below the lowest [? edge] of the principal belt of Jupiter, a spot larger than I had seen before : it was of a dark colour, but certainly not absolutely black. I estimated it at a fourth of the planet's equatorial diameter. I showed it to some gentlemen who were present: its enormous extent was such that on my wishing to have a portrait of it, one of the gentlemen, who was a good draftsman, kindly undertook to draw me one : whilst I, on the other hand, extremely desirous that its actual magnitude should not rest on estimation, proposed, on account of the scandalous unsteadiness of the large in- strument, to measure it tricometrically (sic) with my 5 -ft.
What to read after Celestial Objects for Common Telescopes volume 1?
You can find similar books in the "Read Also" column, or choose other free books by T W Thomas William Webb to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In 1892, though much fainter, it was again observed. Disturbance in the sub-atmosphere, or possibly in the body of the planet, is the most probable cause of these changes, as they seem to be ejected matter from the lower regions. In 1891, the N. Temperate band JUPITER. I/I and drew a small elliptical black speck close to the limb near the S. Pole. An observation by South affords a beauti- ful illustration of the evanescent nature of some of these objects. 'On June 3, 1839, at i3 h 45"' (siderea...l time) I saw with my large achromatic, immediately below the lowest [? edge] of the principal belt of Jupiter, a spot larger than I had seen before : it was of a dark colour, but certainly not absolutely black. I estimated it at a fourth of the planet's equatorial diameter. I showed it to some gentlemen who were present: its enormous extent was such that on my wishing to have a portrait of it, one of the gentlemen, who was a good draftsman, kindly undertook to draw me one : whilst I, on the other hand, extremely desirous that its actual magnitude should not rest on estimation, proposed, on account of the scandalous unsteadiness of the large in- strument, to measure it tricometrically (sic) with my 5 -ft.
What to read after Celestial Objects for Common Telescopes volume 1?
You can find similar books in the "Read Also" column, or choose other free books by T W Thomas William Webb to read onlineMoreLess
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