The starry skies : $b or, First lessons on the sun, moon and starsGiberne, Agnes
General
The starry skies : $b or, First lessons on the sun, moon and stars
Giberne, Agnes
Astronomy -- Juvenile literature
So then part falls to the ground as a solid stone, or as a lump of
iron and other metals. We call the fallen lump an “aerolite” or a
“meteorite,” or a “meteoric stone.” But it is commonly just a meteor
which has come to us out of the sky.
Some very large aerolites have been known to burst in the air with a
great noise, and to scatter hot stones over the land below. This sort
of thing happens very seldom.
There are wonderful Rings of Meteors journeying round the Sun--enormous
companies of millions upon millions of little dark cold bodies, lighted
up by the Sun’s rays.
Every August and November our Earth in her journeying touches one such
Ring. In those months a great many more “shooting stars” may be seen
in the sky than at other times of the year. So, when you want to see
shooting stars, remember that the best times are August and November.
If then you watch the sky steadily after dark for half an hour you will
hardly fail to see at least two or three.
About once in every thirty-three years our Earth plunges into the very
thick of one of these Meteor-Rings. And then indeed we may have a
splendid sight!
Tens of thousands of meteors can be seen flashing through the air, each
with its little train of light behind. Fast as they appear and vanish
tens of thousands more follow; and for hours this goes on.
Yet even then the number of meteors which can be seen is as nothing
compared with the vast hosts which cannot be seen because they do not
come into our air.
Sometimes comets and meteor-rings are found together, journeying in
company. That is to say, the comet journeys with the meteors, in the
same ring or pathway round the Sun. This really seems to show that the
one may belong to the other.
I have told you already that comets, or at least comets’ heads, are
believed to be made partly of little meteors. If things are so, one
would not be surprised to find a very close tie between comets and
rings of meteors.
You will remember Biela’s Comet, spoken of in the last chapter, which
some people think has actually broken up into separate meteors.
It is thought very likely that the wonderful Rings of Saturn are
entirely made of meteors. Not of bright dying meteors, as we see them
in our air, but of countless millions of tiny hard bodies, all whirling
together round and round the huge planet, and giving forth such light
as they can borrow from the Sun.
Sometimes on the Earth a faint light is seen, of a sugar-loaf shape, in
the eastern sky, before dawn, or in the western sky after sunset. It is
called the Zodiacal Light, and it plainly has to do with the Sun. It is
always seen very near to the Sun, never anywhere else.
We know little about this curious light, but it too _may_ be caused by
the shining of enormous numbers of meteors, all whirling round the Sun.
No doubt countless multitudes are ever dropping down upon his fiery
surface.
Public-domain text, read in full here on John Shaqi.
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