Bristol news. [volume] (Bristol, Va. & Tenn.) 1867-189?, 1869-12-10
stitntiGt.
Speculative snoonoIogy.

bpeculntiYe Entomology.
MessRs EDIToRs The idea that the full
moon is hot seems TO Inc so unscieutilc,
that, though advanced or advocated by ali
Tue Herchels and backed by the 10 SO re-
Il cior to boot, | take the liberty of offer.
ing reason or two which may 60 to
prove IL untenable.
The convexity Of the moons surface is so
much greater than that of the earth, that
the moon must be eft cted by the tuu's
heat less than the earth Is by a pro; o.tion
considerably less than the ratio Of size or
diameter between the earth and moon
would seem to Indicate nearly all the heat
being detected or r, q cted into space and
disspated. "a d this convexity Is possibly
the cause OF SO little heat being rt Hectsd
directly .earthward.l Tae suu's rsys cen
have but small spot-smsll, as comparsd
with the earth In this rtspe ct-on which
they can 1t any time be said to fall vertical.
ly; much less distance being req uired there
than on the ear to reduce theni 10 rays
falling through all d. grees Of obliquity dowa
to horizontal. So the virtical aud nearly
vertical rays may move around the moon
quite slowly, aud yet heat but 1t most
tiol ical belt, while there would be temper.
ate and figid mes as on the earth. But
II would be doubtful whether that belt
could by any possibility reach temper
sture OF 4920 as claimed by modern as.
tronomers.
Y All This, SURPRISING the moon has all the
Conditions aud r,Qun emehts which the
earth pc. sesses for rendering sensible the
sllar heat but the a st and principal ore
OF these Is an aim sphere AID astronomers
I'LL us the noon has none at all /; and with.
out the atmospheric ms to- contract the
w rays together and ,qre, "a out the
- II -
To DO obtainsdH On the earth 1t is known
that at a certain hight, where land becausy)
The air has but little density, snow never
melts, even under the trUpicsi whence we
may infer that at greater citations and with
air still more rnr, Il d, ice and snow would
remain unmelted even If exposed to the
r IS of an equ ,teliIl sun for C, n ury-
AID with no atmosphere at all IL would be
still colder than with a littl..
IL is stated that the addition of small
per ceutum OF denser gas (carbonc acid)
our atmosphere or Increased density du-.
20 few miles more in hight or depth OF
the air-ocean would unless Corrected by
increased evepOrati' cause the earth to
grow hotter aud hotter, 81 es to finally pre-
clude the possibility oil human existence !;
or II would enable tie earth to retain ills
ht at indt liutely lprg, though the sun shuul
go into the comet business, speed away,
and leave Us out hero IN the cold OF the
planetary spaces.
depending on atm sphere n il tlIc
moon has no atmosphere, | dOh't quite see
how II can fUi tn an exception to wat W.
are bound TO consider universal laws, GpeT-
stipg always 10 the same manner cOudi-
tons bciI 6 the same-whether ON tue earth,
moon, SUI, Or stars. s ,, uaess the moo"
is rInrd of n at, rails new To science, or
uuless 1t has an equivalent to our atmos
phere in sone form fact which We may
not b. able either TO prove or dis rove on
account Of there not heing moisture eIorgli
to firm clouds, 'ogs or IN s,s), J must tOu-
tinue 20 tbiuk The moon dues not roach
TEN pcra uro Of 1872 or any 9th number
of positive d, gees, -"duriLg its lo'g lamar
day Of 800 hours"
Aoother thing: give the moon an stmts
phere like ours, aud IS deep, T. larger por-
tiou than she is entitled ~ yet attraction
is SO mu ia weaker there then ON the earth
that the air W, uld expand iato space, aud
| opine the density OF that atmosphere
would be less at the i.o n surface than
ours is at the tops.of our h'gEcs mountains
& Ius, qIertly, clouds could 10: fl AT in II,
nor b.tds fly IN il, nor ordinary vegetab 10
or animal lfc have any existence there
Ali wat~T, il the m' on hal sng, woLl he
congealed, and there would be hut u u
muiiun or che mical action. Intense cold
would alwas prevail, nud sn r. ice would
new, melt uudor pelpei ily ycriic Al sun
lit such ting could be- had 'or the oc'
casiNn. W l.. DAVIS.
Whining on, Del