An Astronomical Vocabulary: Being an Explanation of All Terms in Use Amongst Astronomers at the Present Day
John W. Parker and Son, 1852 - 63 pages
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An Astronomical Vocabulary, an Explanation of All Terms in Use Amongst ...
J. Russell Hind
No preview available - 2017
Common terms and phrases
adopted amount ancient northern constellations angle angular distance annual aphelion apparent astronomers axis bright star calculation called caused centre circle conjunction declination diameter difference direction disc discovered distinguished earth ecliptic Edition effect employed equator equinox expressed fixed stars frequently Geography given globe heavenly body heavens Hevelius horizon inferior interval introduced by Lacaille Jupiter known latitude length less light limits London longitude Major March mean measured Mercury meridian minor planets minute moon moon's motion Natural Node object observed opposite orbit Parallax passing perihelion period planet or comet point of Aries poles position present principal star reckoning reference respect revolve right ascension round satellite Saturn seen Sidereal Sir John Herschel situated solar sometimes southern constellations southern constellations introduced sun enters sun's supposed surface tables telescopes termed third transit tropics Uranus usually Venus visible Wood-cuts zenith zodiacal constellations
Page 62 - The names of the signs of the zodiac are: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, and Pisces.
Page 33 - He found that for any two planets the squares of their periodic times are to each other as the cubes of their mean distances from the sun.
Page 43 - PERIHELIUM, that point in the orbit of a planet, or comet, which is nearest to the sun...
Page 11 - That point in the orbit of a planet or comet which is farthest from the sun Apogee - That point in the orbit of an earth satellite which is farthest from the earth Apsides (sing.
Page 12 - Aries. — The first sign of the zodiac, which the Sun enters at the vernal equinox on the 21st of March.
Page 53 - The circumference of every circle is supposed to' be divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35" is read 23 degrees, 14 minutes, and 35 seconds.