Science in Short ChaptersWilliams, W. Mattieu (William Mattieu)
Science
Science in Short Chapters
Williams, W. Mattieu (William Mattieu)
Science
As though to compensate for this disappointment, the comet at its next
appearance exhibited some entirely new phenomena. It split itself into
two comets, in such a manner that the performance was visible to the
telescopic observer. Both of these comets had nuclei and short tails,
and they alternately varied in brightness, sometimes one, then the
other, having the advantage. They traveled on at a distance of about
156,000 miles from each other, with parallel tails, and with a sort
of friendly communication in the form of a faint arc of light, which
extended as a kind of bridge, from one to the other. Besides this, the
one which was first the brighter, then the fainter, and finally the
brighter again, threw out two additional tails, one of which extended
lovingly towards its companion.
The time of return in 1852 was of course anxiously expected by
astronomers, and careful watch was kept for the wanderers. They came
again at the calculated time, still separated as before.
They were again due in 1859, in 1866, and, finally, at about the end of
last November, or the beginning of the present month. Though eagerly
looked for by astronomers in all parts of the civilized world, they
have been seen no more since 1852.
What, then, has become of them? Have they further subdivided? Have they
crumbled into meteoric dust? Have they blazed or boiled into thin air?
or have they been dragged by some interfering gravitation into another
orbit? The last supposition is the most improbable, as none of the
visible inhabitants of space have come near enough to disturb them.
The possibility of a dissolution into smaller fragments is suggested
by the fact that, instead of the original single comet, or the two
fragments, meteoric showers have fallen towards the earth at the time
when it has crossed the orbit of the original comet, and these showers
have radiated from that part of the heavens in which the comet should
have appeared. Such was the case with the magnificent display of
November 27th, and astronomers are inclining more and more to the idea
that comets and meteors have a common origin—the meteors are little
comets, or comets are big meteors.
In the latest of the “Monthly Notices,” of the Royal Astronomical
Society, published last week, is a paper by Mr. Proctor, in which he
expands the theory expounded three years ago by an author whom your
correspondent’s modesty prevents him from naming, viz., that the larger
planets—Jupiter, Saturn, Uranus, and Neptune—are minor suns, ejecting
meteoric matter from them by the operation of forces similar to those
producing the solar prominences.
Public-domain text, read in full here on John Shaqi.
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