 It appears about twelve times in eleven years, — or, more exactly, in a period of 334 days; remains at its greatest brightness about a fortnight, being then, on some occasions, equal to a large star of the second magnitude ; decreases during about three...  Outlines of Astronomy - Page 735by John Frederick William Herschel - 1902Full view - About this book
 | sir John Frederick W. Herschel (1st bart.) - 1833 - 500 pages
...1596. It appears about twelve times in eleven years, — or, more exactly, in a period of 334 days; remains at its greatest brightness about a fortnight,...three months, till it becomes completely invisible, in which state it remains during about five months, when it again becomes visible, and continues increasing... | |
 | Sir John Frederick William Herschel - 1833 - 444 pages
...1596. It appears about twelve times in eleven years, — or, more exactly, in a period of 334 days ; remains at its greatest brightness about a fortnight,...three months, till it becomes completely invisible, in which state it remains during about five months, when it again becomes visible, and continues increasing... | |
 | John Farrar - 1834 - 504 pages
...in 1596. It appears about twelve times in eleven years ; or, more exactly, in a period of 334 days : remains at its greatest brightness about a fortnight,...three months, till it becomes completely invisible, in which state it remains during about five mouths, when it again becomes visible, and continues increasing... | |
 | Mrs. L. H. Tyler - 1837 - 302 pages
...brightest of the second or third magnitude, which rank it sustains about a fortnight, and when least bright invisible to the naked eye, in which state it remains about five months. (402.) The cause of these variations is unknown : some have attributed them to the revolution of an... | |
 | Denison Olmsted - 1839 - 300 pages
...the most remarkable is the star Mira in the Whale, ( O micron Ceti). It appears once in 11 months, remains at its greatest brightness about a fortnight, being then, on some occasions, equal to a star of the second magnitude. It then decreases about three months, until it becomes completely invisible,... | |
 | Denison Olmsted - 1841 - 486 pages
...the most remarkable is the star Mira, in the Whale, (Omicron Ceti.) It appears once in eleven months, remains at its greatest brightness about a fortnight, being then, on some occasions, equal to a star of the second magnitude. It then decreases about three months, until it becomes completely invisible,... | |
 | William Benjamin Carpenter - 1843 - 290 pages
...Fabricius, in the year 1596. It appears about 12 times in 11 years, its period being about 334 days ; it remains at its greatest brightness about a fortnight,...occasions equal to a large star of the second magnitude; it decreases during about three months, till it becomes completely invisible, in which state it remains... | |
 | William Benjamin Carpenter - 1843 - 604 pages
...Fabricius, in the year 1596. It appears about 12 times in 11 years, its period being about 334 days ; it remains at its greatest brightness about a fortnight,...occasions equal to a large star of the second magnitude ; it decreases during about three months, till it becomes completely invisible, in which state it remains... | |
 | John Lee COMSTOCK (and HOBLYN (Richard Dennis)), John Lee COMSTOCK - 1846 - 506 pages
...Fabricius in 1596. It appears about twelve times in eleven years, or more exactly, in a period of 334 days; remains at its greatest brightness about a fortnight, being then, on some occasions, ecjual to a 1; rge star of the second magnitude; decreases during about 760. Milky way.—"There are... | |
 | Hiram Mattison - 1849 - 290 pages
...of the second magnitude, to complete invisibility. It appears about twelve times in eleven years — remains at its greatest brightness about a fortnight,...occasions, equal to a large star of the second magnitude. It then decreases for about three months, when it disappears. In about five months it becomes visible... | |
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