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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Σελίδα 41
... move in her orbit ? A. Venus moves at the rate of eighty thousand miles an hour in her journey round the Sun. Q. Do the planets move with EQUAL Velocities ? A. No ; the nearer a planet is to the Sun , the greater is its orbital velocity ...
... move in her orbit ? A. Venus moves at the rate of eighty thousand miles an hour in her journey round the Sun. Q. Do the planets move with EQUAL Velocities ? A. No ; the nearer a planet is to the Sun , the greater is its orbital velocity ...
Σελίδα 50
... move in a STRAIGHT LINE under the combined influences of the two forces ? A. No ; it moves in a curved line everywhere surrounding the Sun. Q. Why does the Earth move round the Sun in a CURVED path ? A. Because the momentum of its own ...
... move in a STRAIGHT LINE under the combined influences of the two forces ? A. No ; it moves in a curved line everywhere surrounding the Sun. Q. Why does the Earth move round the Sun in a CURVED path ? A. Because the momentum of its own ...
Σελίδα 147
... MOVE very RAPIDLY ? A. Some comets move with great rapidity , others more slowly . They move more quickly when near to the Sun , and more slowly as they recede from it . The comet of 1680 moved through its perihelion at the rate of ...
... MOVE very RAPIDLY ? A. Some comets move with great rapidity , others more slowly . They move more quickly when near to the Sun , and more slowly as they recede from it . The comet of 1680 moved through its perihelion at the rate of ...
Περιεχόμενα
PHYSICAL ASTRONOMY | 15 |
Angular Measurement | 27 |
VLSatellites | 60 |
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Άλλες εκδόσεις - Προβολή όλων
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