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210
The Fairy-Land of Science
·
Arabella B. Buckley
64
Yet
even
now
we
have
not
mentioned
many
of
the
beauties
of
our
atmosphere.
It
is
the
tiny
particles
floating
in
the
air
which
scatter
the
light
of
the
sun
so
that
it
spreads
over
the
whole
country
and
into
shady
places.
The
sun's
rays
always
travel
straight
forward;
and
in
the
moon,
where
there
is
no
atmosphere,
there
is
no
light
anywhere
except
just
where
the
rays
fall.
But
on
our
earth
the
sun-waves
hit
against
the
myriads
of
particles
in
the
air
and
glide
off
them
into
the
corners
of
the
room
or
the
recesses
of
a
shady
lane,
and
so
we
have
light
spread
before
us
wherever
we
walk
in
the
daytime,
instead
of
those
deep
black
shadows
which
we
can
see
through
a
telescope
on
the
face
of
the
moon.
Again,
it
is
electricity
playing
in
the
air-atoms
which
gives
us
the
beautiful
lightning
and
the
grand
aurora
borealis,
and
even
the
twinkling
of
the
starts
is
produced
entirely
by
minute
changes
in
the
air.
If
it
were
not
for
our
aerial
ocean,
the
stars
would
stare
at
us
sternly,
instead
of
smiling
with
the
pleasant
twinkle-twinkle
which
we
have
all
learned
to
love
as
little
children.
All
these
questions,
however,
we
must
leave
for
the
present;
only
I
hope
you
will
be
eager
to
read
about
them
wherever
you
can,
and
open
your
eyes
to
learn
their
secrets.
For
the
present
we
must
be
content
if
we
can
even
picture
this
wonderful
ocean
of
gas
spread
round
our
earth,
and
some
of
the
work
it
does
for
us.
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