Recreations in Astronomy by Henry Warren


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Page 80

III. _Astronomical Instruments._--Refracting telescope. Reflecting;
largest. Spectroscope. Spectra of sun, hydrogen, sodium, etc. E
made G by approach; C by departure. Stars approach and recede.

IV. _Celestial Measurements._-Place and time by stars. Degrees,
minutes, seconds. Mapping stars. Mural circle. Slow watch. Hoosac
Tunnel. Fine measurements. Sidereal time. Spider-lines. Personal
equation. Measure distance--height. Ten-inch base line. Parallax
of sun, stars. Longitude at sea. Distance of Polaris, a Centauri,
61 Cygni. Orbits of asteroids.

V. _The Sun._--World on fire. Apparent size from planets. Zodiacal
light. Corona. Hydrogen--how high? Size. How many earths? Spots:
1. Motion; 2. Edges; 3. Variable; 4. Periodic; 5. Cyclonic; 6.
Size; 7. Velocities. What the sun does. Experiments.

VI. _The Planets from Space._--North Pole. Speed. Sizes. Axial
revolution. Man's weight on. Seasons. Parallelism of axis. Earth
near [Page 277] sun in winter. Plane of ecliptic. Orbits inclined
to. Earth rotates. Proof. Sun's path among stars. Position of
planets. Motion--direct, retrograde. Experiments.

VII. _Meteors._--Size; number; cause of; above earth; velocity;
colors; number in space; telescopic view of. Aerolites: Systems
of; how many known. Comets: Orbits; number of comets; Halley's;
Biela's lost; Encke's. Resisting medium. Whence come comets? Composed
of what? Amount of matter in. [Symbol].

VIII. _The Planets._--How many? Uranus discovered? Neptune? Asteroids?
Vulcan? Distance from sun. Periodic time. Mercury: Elements; shapes,
as seen from earth; transits. Venus: Elements; seen by day; how
near earth? how far from? phases; Galileo. Earth: Elements; in
space; Aurora; balance of forces. Tides: Main and subsidiary causes;
eastern shores; Mediterranean Sea. Moon: Elements; hoax; moves east;
see one side; three causes help to see more than half. Revolution:
Why twenty-nine and a half days: heat--cold; how much light? Craters
and peaks lighted; measured. Eclipses--Why not every new and full
moon? Periodicity. Mars: Elements; how near earth? How far from?
Apparent size; ice-fields; which end most? Satellites--Asteroids:
How found? When? By whom? How many? Jupiter: Elements; trade-winds;
how much light received? Own heat. Satellites: How many? Colors.
Saturn: Elements; habitability; rings; flux; satellites. Uranus:
Elements; discoverer; seen by; moon's motion. Neptune: Elements;
discovered by; how? Review system.

IX. _The Nebular Hypothesis._--State it; facts confirmatory.
Objections--1. Heat; 2. Rotation; 3. Retrograde; 4. Martial moons;
5. Star of 1876. Evolution: Gaps in; conclusion.

X. _The Stellar System._-Motto. Man among stars; open page; starry
poem; stars located; named. Thuban. Etanin. Constellations: Know
them; number of stars; double; e Lyr�, Sirius, Procyon, Castor,
61 Cygni, g Virginis. Colored stars; change color. Clusters: Two
theories. Nebul�: Two visible; composed of; shapes; where? Variable
stars. Sun. b Lyr�, Mira, Betelguese, Algol; cause. Temporary;
1572. New star of 1866: Two theories. Star of 1876. Movements of
stars; Sirius; sun; 1830 Groombridge. Stars near Pleiades: Orion,
Great Dipper, Southern Cross. Centre of gravity.

XI. _The Worlds and the Word._--Rich. Number. Erroneous allusions.
Truth before discovery: 1. A beginning; 2. Creation before arrangement;
3. Light before sun; 4. Mountains under water; 5. Order of
development; [Page 278] 6. Sphere of earth; 7. How upheld; 8. Number
of stars; 9. Weight of air; 10. Meteorology; 11. Queries to Job; 12.
Sun to end of heaven; 13. View of Mitchell; 14. Herschel. What is
matter? Force? End of earth. Way to knowledge. Work of light.
Transfiguration of matter. Uniformitarianism. A whisper of Him. Man
for mastery. Each a type of higher. Survival of fittest. Uranus.
Worlds and Word one language.

XII. _The Ultimate Force._--Universe shows power: 1. Rain; Niagara;
2. Vegetable growth; 3. Worlds carried; 4. Sun; fill dome with worlds;
5. Double suns; 6. Galaxies. Correlation. What ultimate? Mind and
will. What continuous relation? Watch. Theories of gravitation:
Newton's, Le Sage's, Bible's. High-class energy deteriorates. Search
for atoms: 1. Microscope; 2. Gold; 3. Infusoria; 4. Musk. Properties
of atoms: 1. Impenetrable; 2. Indivisible; 3. Shape; 4. Quality; 5.
Crystallization; 6. Not touch each other; 7. Active; 8. Attractive;
9. Intelligent. Whose? Relation of matter to God; rock to soil.
Push upward. Highest has mastery. Man advances by highest. Matter
recapacitated. Refined habitations. Inhabitants. All force leads
back to mind. Personal and infinite.

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Books | Photos | Paul Mutton | Sun 18th Jan 2026, 22:16