Maryland independent. [volume] (Port Tobacco, Md.) 1874-current, 1893-10-27
ASTRONOMY.

1915 The Paris telescope built; AZ
inch aperturei Observatory Of Paris.
1877. Hall, Of Washington, discov-
cred two satellites Of Mars.
1871. Oxygen discovered in the solar
system by Draper, Of New York.
1873. Watson claimed 70 have seen
Vulcan during a solar eclipse.
1881. No ie than seven distinct
comets were visible during this year.
1881. Drarer's remarkable discoveries
in photographing nebule and Comets.
1882. Transit Of Venus observed BY
parties sent to New Zealand, Australia
and elsewhere.
1882. The Lick telescope begun; tbs
largest yet made.
1882. Astronomers claim that there
are lI,500,000 comets in the solar sys-
TEN.
1892. II is claimed that over six hun
dred comets have been seen and re-
corded.
THE moon is without water and deS
titu'e Of an atmosphera
THE nearest fixed star is 2l 900, ,ooo,-
600 miles from the earth.
SOME Of the ssars move with ve-
Ioclty Of nearly fifty miles a seond-
THE fixed stars are suns, and each
may have its own planetary system
TIE fixed star second in distance is
G3,000, 100000 miles from the earth.
THERE are twenty stars of the first
magnitude and seventy Of the second.
THE fixed stars are Of all colors, vio-
let blue, green, and red predominant
ing.
To THE naked eye 1900 stars srs
visible; the best telescopes show s, ,5o0,-
600.
The strongest telescopes bring the
moon to an apparent distance Of 100
miles
THERE are stars whose dancer is
greater than that Of our whole solar
system.
THE tail Of a comet is believed to be
matter similar to that contained in the
nebuie.
THE planets Venus and Mars most
nearly resemble the sarth in climatic
conditions.
THE suns volume is I,4o7, 1874 times
that OF the earth, and 600 times greater
than all the planets.
THE earth has three motions: round
its axis, round the sun, and with the
sun and solar system.
THE spectroscope has showed that
the prominences on the sun are out
bursts Of glowing hydrogen
THE moon gives out heat enough to
affect thermometer and make a differ
ence OF two or three degrees.
The calculations Of the astronomer
Baily proved that the weight of the
earth is 6,049, S36, 900, 000,0 900 tons.
SOME stars are believed to be 50 far
away that 100000 years are required
for their light to reach the earth
sun spots 1O0,oO0 miles in diameter
have been measured, large enough to
hold dozens Of such worlds as ours.
SOME stars are so distant that, trav-
cling 100000 miles a second, their light
requires 1900 years to reach the
earth
THE motion Of the earth around the
sun is 6S,305 miles an. hour; over 1000
miles a minute, or nineteen miles q
second
TIE spectroscope has demonstrated
TINT al TIC ot-feAA4fu AAt4 stars dLt III
motion some in one direction, some in
another.
AN error Of a thousandth part Of a
second in an astronomical calculation
would mean an error Of 200, ,00O, ,000,000
miles in the distance OF star.
THE solar system is well illustrated
by the following statements: Let the
sun be represented by globe two feet
in diameter. A grain os mustard seed
at the circumference Of circle 1e4
feet in diameter will adequately repre-
sent the size and distance Of Mercury.
The earth will be represented by a Pea
On the circumference OF circle 2s4
4 feet across, and Venus by another pea,
( on the outside Of a 4Al-ioet circle. Mars
1 viii be adequately represented by
- - Z s-ssssi at d54 feet ana tha Asteroids
~ gFissss.'< <'ssls--->- o0Q b 1000 iees
away An orange atSsssais - II
/ half a mile VIII rsard for Jsnsesa44sa
very small apple at loaf. dfths sf a ~ "a
will answer for Saturn, and a cherry an
the circumference Of a circle a Hliia
and half across will represent Uranus.
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