Fourteen Weeks in Descriptive Astronomy |
From inside the book
Results 1-5 of 33
Page 28
... he took their squares , then he attempted their cubes , and lastly he combined the squares and the cubes . Here was the secret ; but he toiled around it , made a blunder , and waited for months , until , once more , 28 INTRODUCTION . SPACE.
... he took their squares , then he attempted their cubes , and lastly he combined the squares and the cubes . Here was the secret ; but he toiled around it , made a blunder , and waited for months , until , once more , 28 INTRODUCTION . SPACE.
Page 29
Joel Dorman Steele. and waited for months , until , once more , his patience triumphed , and he reached the third law— THE SQUARES OF THE TIMES OF REVOLUTION OF THE PLANETS ABOUT THE SUN , ARE PROPORTIONAL TO THE CUBES OF THEIR MEAN ...
Joel Dorman Steele. and waited for months , until , once more , his patience triumphed , and he reached the third law— THE SQUARES OF THE TIMES OF REVOLUTION OF THE PLANETS ABOUT THE SUN , ARE PROPORTIONAL TO THE CUBES OF THEIR MEAN ...
Page 82
... months . 66 66 91 66 Mars , Jupiter , 66 66 13 66 66 66 61 66 Saturn , Uranus , 66 66 6 66 66 6 To avoid filling the text with a multiplicity of figures , many interesting items are condensed in tables at the close of the volume ...
... months . 66 66 91 66 Mars , Jupiter , 66 66 13 66 66 66 61 66 Saturn , Uranus , 66 66 6 66 66 6 To avoid filling the text with a multiplicity of figures , many interesting items are condensed in tables at the close of the volume ...
Page 85
... months . Mercury revolves upon its axis in about the same time as the earth , so that the length of the Mercurial day is nearly the same as that of the terrestrial one . Though Mercury thus completes a sidereal revolu- tion around the ...
... months . Mercury revolves upon its axis in about the same time as the earth , so that the length of the Mercurial day is nearly the same as that of the terrestrial one . Though Mercury thus completes a sidereal revolu- tion around the ...
Page 90
... months , under somewhat the same circumstances . MOTION IN SPACE . - Unlike Mercury , Venus has an orbit the most circular of any of the principal * This distance varies but little , owing to the slight eccentricity of Venus's orbit ...
... months , under somewhat the same circumstances . MOTION IN SPACE . - Unlike Mercury , Venus has an orbit the most circular of any of the principal * This distance varies but little , owing to the slight eccentricity of Venus's orbit ...
Other editions - View all
Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac