San Antonio daily light. [volume] (San Antonio, Tex.) 1886-1907, 1893-01-07

1908! Keyler announced the true
laws of the planetary motions.
1919. Polar spots on the sun OBJ
served by Fabrieius and Harriet.
1916. The Copernican system con-
demned by Pore Paul W; revoked by
Plus VII. in 1878,
I 1881. Transit of Mercury first Oh.
served by Gassendi, an italian.
1885. spots on Mars first observed
by Fontauo. Conjectared TO be snow.
1887. The Cartesian system of as
tronomy expounded by Des Cartes.
1889. The transit OF Venus across
the SUMS disk first observed by Hor-
rocks.
/ 1910. Great improvements made in
the construction of telescopes by sew
eral mechanics.
1852. "Mirk Monday" in Scotland;
. total eclipse.
1875. Roemes's observations made
on the satellites of Jupiter.
1875. HALEY demonstrated the rev.
olution OF the sun on it's own axis.
1852. HALEY fixed the identity OF
comets and predicted their regular
return.
Newton's "Princlpia" published,
and the Newtonisn theory establish
ed.
1888. Flamsteed made the first ex.
haustive catalogue of the fixed stars.
1892. Cassini made q careful chart
the first of the tull moon.
170l. Cassini discovered the satel-
lites, Of Saturn and proved their char
acter.
1704. Newton discovered the COM
posite character of white light.
1704. Newton demonstrated that
comets move in elliptical orbits.
l705. HALEY made the first pre-
diction Of comets return, Veri fed
1858.
1706. The red flames from the SUMS
disk observed by Stannyan; by many
Others since.
Ills. Total eclipse in England;
stars shone and birds went to roost at
noon.
l7l6. HALEY suggested the obser-
walton of the transit of Venus as q
means of estimating the distance of
|
/ 1927. The alteration of the stars
discovered by Bradley and explained.
1894. Harrison made chronometers
for determining the longitude.
1867. TIE Nautical Almanac first
published. Ever since continued.
1859. Capt. Cook made his first voy.
age to Otsheite to observe a transit of
] Venus.
| 1863. The motion of sun spot
measured by Wilson; seen to move
around the sun.
1869. A comet with tall SO, 900, 900
of miles long passed 10000 OF miles
from the earth.
1873. Herschel measured to spots;
length over 50, 900 miles.
1854. The discovery of Saturn's rings
made b. Huyghens.
1866. Csssini's meridian line drawn
on the pavement OF st. PetronIus's
church.
1866. The form of Saturn's ring de-
termined by Huyghens; copjectured
by Calico.
1859 Horrebrow discovered the
alteration of the light of the fixed
stars.
1868. The first rejecting telescope
made; invented by Gregory; inpor-
tant advance.
1870. Charts of the moon construct
ed by Scheiner, Longrenus, Kevelins
and others.
1875. Roemer's discoveries of the
velocity of light made.
1875. Green wich observatory found
ed. The first great modern OBSERVE
tory.
1880. La Grange discovered and
partly explained the celestial in
capabilities"
1881. Uranus and his satellites dis
covered by Herschel. Great interest.
1896 The "Mechsnique Celes be, "by
La Place, issued from u Pa press.
A notable era In astronomy.
1901 1881. Between these dates 300
minor planets discovered and named.
1911. "A comet appeared with tail
LOG, 900, 900 of miles long and IL, 900. 900
broad.
1915. Fraunhofer's lines discovered.
There are now over 1000 of them.
1918. Encke's comet sppeared;its or
bit, motions and perturb ations noted
by Encke.
1920. The Royal Astronomical
Society of London founded; chartered
eleven years later.
1926. Biela's comet discovered by
Biels, an Austrian officer. Revolu.
ton six years aud thirty eight weeks.
1926. Schwab discovered the cycle
of changes from maximum to mini
mum in sun spots.
1884. A complete map of the moon