Chapter M: Magnesium, 350

Magnet attracting Ball, 187.

Man on the Moon, 77.

Maps of the Stars, 206, 318;
How to make, 389.

Mars, 134, 160.

” and his Movements, 160.

” Atmosphere of, 194.

” Color of, 161.

Mars, Diameter and Distance of, 391.

Mars, General Direction of Motion of, 165.

Mars, Geography of, 188.

” Period of, 391.

” Polar Snows on, 193.

” Retrograde Motion of, 162.

” Rotation of, 192, 391.

” Satellites of, 194.

” Seas on, 193.

” Views of, 189, 190.

” When to observe, 160.

Materials of a Comet, 276.

Mathematician and Astronomer, 144.

Measurements with a Cart-wheel, 173.

Measuring-rod used by Astronomers, 333.

Mercury, 134, 141.

Mercury, Diameter, Distance, Period, and Rotation of, 391.

Mercury, Transit of, 142.

” Weight of, 142.

” Where to find, 142.

Meteor, Height of a, 296.

” of Dec. 21, 1876, 297.

” ” Nov. 6, 1869, 292.

Meteoric Dust, 292.

Meteorites, 312.

Meteorites, Columbiad Theory of, 314.

Meteorites in British Museum, 313.

Meteoroids, 285.

Meteoroids heated by Friction of Air, 288.

Meteoroids, Velocity of, 286.

Meteors, 284.

” August, 309.

Methuselah, 376.

Milky Way, 327.

Mimas, Distance and Period of, 392.

Minor Planets, Size and Number of, 207.

Mirror for Reflecting Telescope, 234.

Mode of Production of Coal, 11.

Model of Lunar Crater, 110.

Monday, Why so called, 74, 135.

Mont Blanc, 8.

Moon always shows Same Face, 118.

Moon, Imaginary Voyage to, 124.

” Life on, 123.

” rising in West, 198.

” Size of, 79, 101.

Moon’s Appearance, Effect of Distance on, 89.

Moon’s Area, 82.

” Atmosphere, 125.

” Diameter, 391.

” Distance, 391.

” Movements, 84, 118.

” Phases, 74.

” Time of Revolution, 391.

Moon-view of Earth, 78.

Morning Star, 151.

Motes in Sunbeam, 292.

Motion, Annual, of Earth, 56.

Motion of Planet round Sun illustrated, 188.

Mount Carigou in the Pyrenees, 31.

Mountains on the Moon, How measured, 108.

Mountain Tops, Coldness of, 8.

N.

Naming the Stars, 381.

Nasmyth, 35.

National Debt, 339.

Nature of Saturn’s Rings, 225.

Nebula in Orion, 388.

” Ring, in Lyra, 354.

Nebulæ, 353.

Nebulæ and Solar System compared, 367.

Nebulæ, Distances of, 366.

” Photographs of, 362.

Nebulæ, Stars in, 366.

” What made of, 359.

Neptune, Discovery of, 244.

Neptune, Former Observations of, 252.

Neptune’s Brightness, 252.

” Clouds, 253.

Neptune’s Diameter, Distance, Period, and Rotation, 391.

Neptune’s Size, 253.

” Satellite, 253.

Neptune’s Satellite, Distance and Period of, 393.

Neptune’s Time of Revolution, 213.

Newton’s Discoveries, 178.

Night and Day, 46, 51.

Noonday Gun, 5.

North Pole, 53;
Continual Day at, 70;
Sunshine at, 71.

November Showers of Meteors, 299.

Number of Books Necessary to describe Universe, 372.

Number of Minor Planets, 207.

” ” Stars, 321.

O.

Oberon, 243;
Distance and Period of, 392.

Objects, Distant, Apparent Smallness of, 25.

Observing Robes, 172.

Occultation of Star by Moon, 126.

Octagon Chapel, Bath, Organist of, 231.

Old Moon in New Moon’s Arms, 77.

Orbit of Leonids, 302.

Orbits of Giant Planets, 213.

” ” Uranus and Neptune, 250.

Orion, 387.

Oxygen Necessary to Life, 124.

P.

Pacific Ocean, Track of Eclipse across, 42.

Parabola, 169, 269.

” and Ellipse, 169, 275.

Parabolic Reflectors, 272.

Pegasus, Square of, 384.

Pendulum, 54.

Periodicity of Comets, 263.

Perseids, 309.

Perseus, 327, 385.

Perturbation of Encke’s Comet, 146.

Phases of Mercury, 142.

” ” the Moon, 74.

Phases of Venus, 152.

Phobos and Deimos, Satellites of Mars, 200.

Phobos, Distance and Period of, 391.

Phœbe, 229.

Photographic Search for Planets, 207.

Photographing the Nebulæ, 362.

Photographs of the Heavenly Bodies, 207.

Photographs of the Moon, 107, 109.

Pit-eyes, 201.

Planetary Time Table, 179.

Planets, How to find the, 390.

” Small, or Asteroids, 203.

” Small, Search for, 205.

Planets, Small, Size and Number of, 207.

Pleiades, 363, 385;
Apparent Change in Position of, 387.

“Pointers,” 383.

Polar Snows on Mars, 193.

Pole, North, 53;
Continual Day at, 70;
Sunshine at, 71.

Pole Star, 383.

Postman on the Moon, 130.

Prediction of Halley, 264.

Preserved Sunbeams, 13.

Prism, Refraction of Light through, 351.

Prominences on Sun, 44.

Proportion of Sunlight received by Earth, 9.

Pupil of the Eye, 201.

Pupil of the Eye as Large as a Dinner Plate, 203.

Q.

Quarter the Best Time for examining the Moon, 107.

Quicksilver, 141.

R.

Radiant Point of Meteor Shower, 308.

Railway to Alpha Centauri, 338.

Rank of Earth in Space, 329.

Reappearance of Halley’s Comet, 267.

Recorder, Sunshine, 5.

Reflectors for Lighthouses, 271.

Refraction of Light through Prism, 351.

Relative Sizes of Earth and Sun, 31.

Requisites for Astronomical Discoveries, 199.

Resistance of Air, 182.

Retrograde Motion of Mars, 162.

Rhea, Distance and Period of, 392.

Rifle, 68.

Rigel, 388.

Ring Nebula in Lyra, 354.

Rings of Saturn, 224.

Rings of Smoke, 357.

Rising and Setting of Sun, Ancient Theories of, 48.

Roberts, Mr. Isaac, 325;
His Photograph of Great Andromeda Nebula 364.

Rotating Globe of Oil, 215.

Rotation of Earth, 49.

Rotation of Earth, Illustration of, 53.

Rotation of Jupiter, 215.

” ” Mars, 192.

” ” Sun, 39.

Rowton Meteorite, 313.

Royal Canal Fly-boats, 52.

Royal Institution, 53.

S.

St. Paul’s Cathedral on the Moon, 103.

Sandwich Isles, Crater in the, 112.

Satellites, 195.

” of Jupiter, 218.

” ” Mars, 194.

” ” Saturn, 229.

Satellites of Uranus, Revolution of, 243.

Saturday, 135.

Saturn, 222.

” and Earth, 223.

Saturn’s Bands and Clouds, 224.

” Brightness, 223.

Saturn’s Diameter and Distance, 391.

Saturn’s Internal Heat, 224.

” Period, 391.

” Rings, 224.

” Rotation, 391.

” Satellites, 229.

Saturn’s Satellites, Distances and Periods of, 392.

Saturn’s Time of Revolution, 212.

Scale of Universe, 319.

Search for Small Planets, 205.

Seas on Mars, 193.

” ” the Moon, 108.

Seasons, Changes of the, 66.

Seasons, Changes of the Sun with the, 57.

Seen and Unseen Universe, 377.

Shadow of Globe, 170.

Shape and Size of the Sun, 29.

Shooting Stars and Comets, 255.

Shooting Stars, What becomes of them, 290.

Sidus, Georgium, 240.

Sirius, 318.

” How to find, 389.

Sirius, Position of, on Map of Universe, 319.

Size of Celestial Library, 373.

” Minor Planets, 207.

” Moon, 79, 101.

” the Sun, 29.

Sizes, Comparative, of Planets, 139.

Sizes, Comparative, of Earth and Sun, 31.

Smith, Mr. John, his Address, 330.

Smoke Rings, 357.

Snow on Mountain Tops, 9.

Snowball, 294.

Sodium, 350.

Solar Gravitation, 132.

” Prominences, 44.

Solar System and Nebula compared, 367.

Solar System, Drawing of the, 135.

Spectroscope, 352.

Speculum Grinding, 235.

” Metal, 235.

Speed of Planets, 138.

Splendor of Venus, 151.

Spots on the Sun, 33.

Square of Pegasus, 384.

Star eclipsed or occulted by Moon, 126.

Star Maps, 206, 318;
How to make, 389.

Stars, 318;
Number of, 321.

” are Suns, 320.

” Clusters of, 327.

” Disguised, 205.

” Distances of, 332.

” Double, 342;
Motion of, 344.

” How to name the, 381.

” seen in Daylight, 59.

” Variable, 341.

” What made of, 347.

Steam, Clouds a Form of, 15.

Steel melted by Sunbeams, 7.

Strontium, 348.

Sun and Sirius compared in Brightness, 320.

Sun, Benefits that we receive from the, 10.

Sun, Express Train to, 18.

Sun must be Hotter than Molten Steel, 7.

Sun’s Appearance, 35.

” Attraction on a Comet, 274.

” Corona, 44.

” Diameter, 391.

” Distance, 17, 158, 210, 391.

” Heat and Brightness, 1.

” Rotation, 39, 391.

” Shape and Size, 29.

” Share in Five o’Clock Tea, 10.

” Spots, 33.

” Sunbeams, Preserved, 13.

Sunday, 74, 135.

Sunlight, Proportion of, received by Earth, 9.

Sunset at Marseilles, 30.

Sunshine at North Pole, 71.

” Recorder, 5.

T.

Tails of Comets, 281.

Telegraph used for Comets, 267.

Telescope of Dunsink Observatory, 96.

Telescope of Yerkes Observatory, 98.

Telescopes, 92;
Reflecting, 232;
Herschel’s, 233.

Telescopic Aid, 200.

” View of Moon, 101, 104.

Tethys, Distance and Period of, 392.

Theory to account for the Sun’s Rising and Setting, 48.

Thursday, 135.

Ticket to Alpha Centauri, 339.

Time occupied by Light and Stars, 335.

Titan, Distance and Period of, 392.

Titania, 243.

Titania, Distance and Period of, 392.

Top-spinning under Air Pump, 183.

Total Eclipse of the Sun, Appearances during, 40.

Toy, Burning-glass not merely a, 6.

Train to the Sun, 18.

Transit of Venus, 154.

Trouvelot’s Drawing of Eclipse, 41.

Trouvelot’s Drawing of Solar Prominences, 45.

Tuesday, 135.

Twilight, 47.

Two Eyes Better than One, 19.

Tycho Brahe, 170.

Tycho’s Method of Observing, 172.

Tyndall’s, Professor, Heating Effect of Electric Lamp, 6.

U.

Umbriel, 243.

Umbriel, Distance and Period of, 392.

Universe, Seen and Unseen, 377.

“Up, Guards, and at them,” 337.

Uranus and Earth compared, 243.

Uranus, Clouds on, 243.

” Color of, 242.

” Diameter of, 391.

” Discovery of, 237.

” Distance of, 391.

Uranus, Former Observations of, 241.

Uranus, Period of, 391.

” Rotation of, 391.

” Satellites of, 242.

Uranus, Satellites of, Distances and Periods of, 392.

Uranus, Time of Revolution, 213.

” Weight of, 243.

Ursa Major, or Great Bear, 381.

Use of Two Eyes, 19.

Utility of Telescope, 200.