Bouvier's Familiar Astronomy, Or, An Introduction to the Study of the Heavens: Illustrated by Celestial Maps, and Upwards of 200 Finely Executed Engravings, to which is Added a Treatise on the Globes, and a Comprehensive Astronomical Dictionary : for the Use of Schools, Families, and Private StudentsChilds & Peterson, 1857 - 499 σελίδες |
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Αποτελέσματα 1 - 3 από τα 89.
Σελίδα 33
... miles ; and the black centre of that represented in No. 4 , was at least 10,000 miles in diameter , which was sufficiently large to allow the globe of our Earth to drop throught it , and leave a space of a thou- sand miles around it ...
... miles ; and the black centre of that represented in No. 4 , was at least 10,000 miles in diameter , which was sufficiently large to allow the globe of our Earth to drop throught it , and leave a space of a thou- sand miles around it ...
Σελίδα 54
... miles from us , and at others as far distant as two hundred and forty millions of miles . Q. Explain this . A. When Mars is at M , ( fig . 48 , ) and the Earth at E , the two bodies are only separated by the space of a little less than ...
... miles from us , and at others as far distant as two hundred and forty millions of miles . Q. Explain this . A. When Mars is at M , ( fig . 48 , ) and the Earth at E , the two bodies are only separated by the space of a little less than ...
Σελίδα 132
... miles from the lunar sphere , and the Earth's shadow extends about eight hundred thousand miles from the terrestrial sphere . Q. Does the Earth's shadow extend , then , BEYOND the orbit of the Moon ? A. Yes . The Earth's shadow is ...
... miles from the lunar sphere , and the Earth's shadow extends about eight hundred thousand miles from the terrestrial sphere . Q. Does the Earth's shadow extend , then , BEYOND the orbit of the Moon ? A. Yes . The Earth's shadow is ...
Περιεχόμενα
PHYSICAL ASTRONOMY | 15 |
Angular Measurement | 27 |
VLSatellites | 60 |
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Bouvier's Familiar Astronomy, Or an Introduction to the Study of the Heavens ... Hannah Mary Bouvier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Bouvier's Familiar Astronomy, Or an Introduction to the Study of the Heavens ... Hannah Mary Bouvier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude angular appear Argo Navis Aries asteroid astronomical attraction axis azimuth Boötes brass meridian bright star called celestial centre circle comet constella constellation Cor Caroli degrees diameter disc discovered discovery distance double stars Earth Earth's orbit east eclipse equal equator equinoctial equinox figure fixed stars globe gravity heavenly bodies heavens hemisphere horizon hundred instrument Jupiter known latitude longitude lunar magnitude Mars means Mercury month Moon Moon's motion move nebula node northern object observations Observatory orbit parallax parallel passing perihelion period planet Polar pole Pole Star position principal star quadrant rays of light refraction represents revolution revolve round right ascension ring rising round the Sun satellite Saturn seen shadow sidereal Sir William Herschel Sirius situated solar southern constellation sphere Sun's place supposed surface telescope tion transit Uranus Ursa Ursa Major velocity Venus vertical visible zenith zodiac