Astronomical Curiosities Facts And Fallacies
Astronomical Curiosities Facts And Fallacies
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The minimum distance will be reached in the year 2104. Prom photographs taken by M. Flammarion at the Juvisy Observatory, he finds that there are at least 128 stars nearer to the pole than the Pole Star ! The nearest star to the pole was, in the year 1902, a small star of about 12J magni- tude, which was distant about 4 minutes of arc from the pole. 2 The estimated magnitude shows that the Pole Star is nearly 10, 000 times brighter than this faint star !
It has been found that Sirius is bright ...enough to cast a shadow under favourable conditions. On March 22, 1903, the distinguished French astronomer Touchet succeeded in photographing 1 Popular Astronomy, vol. 15 (1907), p. 195.
2 Bulletin, Ast. Soc, de France, February, 1903.
THE STARS 139 the shadow of a brooch cast by this brilliant star. The exposure was l h 5 m .
Martinus Hortensius seems to have been the first to see stars in daylight, perhaps early in the seventeenth century. He mentions the fact in a letter to Gassendi dated October 12, 1636, but does not give the date of his observation.
What to read after Astronomical Curiosities Facts And Fallacies?
You can find similar books in the "Read Also" column, or choose other free books by J Ellard John Ellard Gore to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The minimum distance will be reached in the year 2104. Prom photographs taken by M. Flammarion at the Juvisy Observatory, he finds that there are at least 128 stars nearer to the pole than the Pole Star ! The nearest star to the pole was, in the year 1902, a small star of about 12J magni- tude, which was distant about 4 minutes of arc from the pole. 2 The estimated magnitude shows that the Pole Star is nearly 10, 000 times brighter than this faint star !
It has been found that Sirius is bright ...enough to cast a shadow under favourable conditions. On March 22, 1903, the distinguished French astronomer Touchet succeeded in photographing 1 Popular Astronomy, vol. 15 (1907), p. 195.
2 Bulletin, Ast. Soc, de France, February, 1903.
THE STARS 139 the shadow of a brooch cast by this brilliant star. The exposure was l h 5 m .
Martinus Hortensius seems to have been the first to see stars in daylight, perhaps early in the seventeenth century. He mentions the fact in a letter to Gassendi dated October 12, 1636, but does not give the date of his observation.
What to read after Astronomical Curiosities Facts And Fallacies?
You can find similar books in the "Read Also" column, or choose other free books by J Ellard John Ellard Gore to read onlineMoreLess
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