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 87.
Σελίδα 63
... four of our years ; consequently , his year is equal to eighty - four of ours . Q. Who DISCOVERED the planet Uranus ? A. It was discovered by Sir William Herschel in the year 1781 , and it is still known by the name of its discoverer ...
... four of our years ; consequently , his year is equal to eighty - four of ours . Q. Who DISCOVERED the planet Uranus ? A. It was discovered by Sir William Herschel in the year 1781 , and it is still known by the name of its discoverer ...
Σελίδα 119
... four hours : why , then , is the swell of the tidal wave FIFTY MINUTES longer before it recurs at any given place ? A. Because during the twenty - four hours which the Earth has been turning on its axis , the Moon has advanced so far in ...
... four hours : why , then , is the swell of the tidal wave FIFTY MINUTES longer before it recurs at any given place ? A. Because during the twenty - four hours which the Earth has been turning on its axis , the Moon has advanced so far in ...
Σελίδα 430
... four Metonic cycles . This cycle , a great improvement on that of Meton , was first proposed by Calippus . Cycle of Eclipses . — A period of about 6586 days , which being the time of a revolu- tion of the Moon's node , the eclipses re ...
... four Metonic cycles . This cycle , a great improvement on that of Meton , was first proposed by Calippus . Cycle of Eclipses . — A period of about 6586 days , which being the time of a revolu- tion of the Moon's node , the eclipses re ...
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