Time's telescope; or, A Complete guide to the almanack [ed. by J. Millard].John Millard (assistant librarian of the Surrey inst) 1819 |
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Strona 17
... Earth's orbit , and at others con- siderably inclined to that orbit , it appears more elliptical or open at one time than another . The change in this elliptical appearance , however , is very slow , and we have therefore only inserted ...
... Earth's orbit , and at others con- siderably inclined to that orbit , it appears more elliptical or open at one time than another . The change in this elliptical appearance , however , is very slow , and we have therefore only inserted ...
Strona 18
... Earth , till their luminous side is opposite the Earth at the time of their superior conjunction ; when they would appear like the full Moon , if they were not at that time rendered invisible by the intensity of the solar light . As ...
... Earth , till their luminous side is opposite the Earth at the time of their superior conjunction ; when they would appear like the full Moon , if they were not at that time rendered invisible by the intensity of the solar light . As ...
Strona 19
... Earth . Draw EvVv from the Earth through the centre of Venus , and join VS and ES ; and draw rs perpendicular to EC and po perpendicular to rs ; then pq will be the circle of illumination . Now as pV , a part of that circle , will be ...
... Earth . Draw EvVv from the Earth through the centre of Venus , and join VS and ES ; and draw rs perpendicular to EC and po perpendicular to rs ; then pq will be the circle of illumination . Now as pV , a part of that circle , will be ...
Strona 20
... Earth . Add together the angles formed at the Sun and the Earth by the three lines supposed to join these two bodies to each other , and to the planet , and multiply the natural versed sine of this sum by 6 , and the result will be the ...
... Earth . Add together the angles formed at the Sun and the Earth by the three lines supposed to join these two bodies to each other , and to the planet , and multiply the natural versed sine of this sum by 6 , and the result will be the ...
Strona 21
... Earth is 3 ' . 10 ° 19 ; the geocen- tric longitude of Venus at the same time , also , is 9. 0 ° 56 ' ; therefore , Heliocentric longitude of Venus Longitude of the Earth 35. 13 ° 50 ' subtract 3 10 19 Angle at the Sun Longitude of the ...
... Earth is 3 ' . 10 ° 19 ; the geocen- tric longitude of Venus at the same time , also , is 9. 0 ° 56 ' ; therefore , Heliocentric longitude of Venus Longitude of the Earth 35. 13 ° 50 ' subtract 3 10 19 Angle at the Sun Longitude of the ...
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