Fourteen Weeks in Descriptive Astronomy |
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Page 70
... feet ; the aphelion distance of Donati's comet of 1858 at 6 miles ; and the nearest fixed star at 7,500 miles . According to this scale , the daily motion of Vulcan. COMPARATIVE SIZE OF PLANETS . VENTS AND JUPITER IN CONJUNCTION ...
... feet ; the aphelion distance of Donati's comet of 1858 at 6 miles ; and the nearest fixed star at 7,500 miles . According to this scale , the daily motion of Vulcan. COMPARATIVE SIZE OF PLANETS . VENTS AND JUPITER IN CONJUNCTION ...
Page 71
... feet ; of Mercury , 3 feet ; of Venus , 2 feet ; of the Mars , 1 feet ; of Jupiter , 10 Earth , 17 feet ; of inches ; of Saturn , and of Neptune , 4 7 inches ; of Uranus , 5 inches ; inches . This illustrates the fact that the orbital ...
... feet ; of Mercury , 3 feet ; of Venus , 2 feet ; of the Mars , 1 feet ; of Jupiter , 10 Earth , 17 feet ; of inches ; of Saturn , and of Neptune , 4 7 inches ; of Uranus , 5 inches ; inches . This illustrates the fact that the orbital ...
Page 74
... feet in the air and sustain no shock . Yet while we speak of these peculiarities , we do not know what modification of the atmosphere or physical features may exist even on Mercury to temper the heat , or on Uranus to reduce the cold ...
... feet in the air and sustain no shock . Yet while we speak of these peculiarities , we do not know what modification of the atmosphere or physical features may exist even on Mercury to temper the heat , or on Uranus to reduce the cold ...
Page 86
... feet the first second . Its specific gravity is about that of tin . A pound weight removed to Mercury would weigh only about seven ounces . SEASONS . AS Mercury's axis is much inclined from a perpendicular , its seasons are peculiar ...
... feet the first second . Its specific gravity is about that of tin . A pound weight removed to Mercury would weigh only about seven ounces . SEASONS . AS Mercury's axis is much inclined from a perpendicular , its seasons are peculiar ...
Page 89
... feet , or part of the earth's diameter . VENUS . The Queen of Beauty . Sign , a looking - glass . DESCRIPTION . - Venus , the next in order to Mer- cury , is the most brilliant of all the planets . When visible before sunrise , she was ...
... feet , or part of the earth's diameter . VENUS . The Queen of Beauty . Sign , a looking - glass . DESCRIPTION . - Venus , the next in order to Mer- cury , is the most brilliant of all the planets . When visible before sunrise , she was ...
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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