The music of the spheres : $b A nature lover's astronomyGrondal, Florence Armstrong
Science
The music of the spheres : $b A nature lover's astronomy
Grondal, Florence Armstrong
Astronomy
The tail of the Great Bear, outlined by the bright stars of the Big
Dipper's handle, is the most clearly marked portion of his anatomy. So
inordinately proud is he of this huge appendage, (which is also, the
most clearly marked figure in the sky), that, so old legends assert, he
gazes jealously at the lone bright star on the end of the Little Bear's
tail in hopes that some day he may gain possession of it and add it to
his own. This is another reason why the "Guards" have been placed to
watch the North Star.
The feet of this Bear extend to three pairs of stars set nearly
equidistant, although there are no stars for one of his forefeet.
[Figure 15]
The Arabs call these the "Doe's Leaps." The Bear's head is sprinkled
with a scattered group of faint stars on a line with the bowl of the
Dipper.
This interesting creature is most impressive when in the springtime
his shadowy, star-decked form crosses the sky near the zenith. He seems
closest then and we cramp back our necks to get a better view of this
ancient Bear about whom is twined so many legends.
[Figure 16:
"The Bear that prowled all night about the fold
Of the North Star."
--_Lowell._]
Later, during the autumn months, he walks along the rim of the horizon
in the north, but there too often, sad to relate, he is more than half
obscured by the mists and fogs which hover about near the surface of the
earth.
Many attempts have been made to account for the ridiculous length of the
brightly-jeweled tails of the star-bears. Richard A. Proctor in "Easy
Star Lessons" suggests that as the star maps were arranged by
astronomers who being aware of the many legends but who had themselves
never seen a bear, naturally supposed the three bright stars in the
handle of the Big Dipper to be Ursa Major's tail and so drew it. Since
the Big Dipper was made part of Ursa Major or the Great Bear, the Little
Dipper, whose seven principal stars resemble those of Ursa Major, was
made part of Ursa Minor, the Little Bear.
Howe remarks in his "Descriptive Astronomy" that the "length of the
little fellow's tail might be ascribed to environment."
[Figure 17]
'Tis reasonable indeed. With the tip of it fastened to the North Star
for a pivot it might stretch after being swung round for a few
centuries. Perhaps, to go still further, this is the reason it is now so
thin and therefore faint, and also why it is broken. The quaint theory
of Dr. Thomas Hood, who wrote early in the 17th century, is also quoted
as a possible reason for the length of the Great Bear's tail:
"Imagine that Jupiter, fearing to come nigh unto her teeth layde hold on
her tayle, and thereby drew her up into heaven, so shee of herself,
being very weightie, and the distance from the earth to the heavens very
great, there was great likelihood that her tayle must stretch.
"Other reason know I none."
Public-domain text, read in full here on John Shaqi.
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