The Larousse Guide to Astronomy"Concerned with ... a brief summary of the universe-its content, make-up and evolution."--Intro. Chapter headings: Telescopes, Stars, Constellations, Planets, Comets and Meteorites, Galaxies, Development of celestial observation. Indexed. |
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Page 48
... open clusters in close proximity to the central plane of the galaxy . Ranging from about 108-2 × 109 years of age they are in an early phase of main sequence life as expressed by the H - R diagram . Youngest of all are the emerging ...
... open clusters in close proximity to the central plane of the galaxy . Ranging from about 108-2 × 109 years of age they are in an early phase of main sequence life as expressed by the H - R diagram . Youngest of all are the emerging ...
Page 96
... star , 8 , Deneb Algedi , is a mag 2.95-2.88 variable A6 type about 50 light years distant . Two naked eye doubles ... open clusters populate the region including M52 and M103 . Cassiopeia lies opposite Ursa Major across the celestial ...
... star , 8 , Deneb Algedi , is a mag 2.95-2.88 variable A6 type about 50 light years distant . Two naked eye doubles ... open clusters populate the region including M52 and M103 . Cassiopeia lies opposite Ursa Major across the celestial ...
Page 132
... open cluster , M71 , approximately between stars y and 8 . Sagittarius ... clusters the list is virtually all embracing . --- The constellation is ... clusters M22 , M28 , M69 , M70 , M54 , M55 and M75 are in attendance with open clusters ...
... open cluster , M71 , approximately between stars y and 8 . Sagittarius ... clusters the list is virtually all embracing . --- The constellation is ... clusters M22 , M28 , M69 , M70 , M54 , M55 and M75 are in attendance with open clusters ...
Contents
Saturn | 198 |
Telescopes Neptune | 208 |
ne Planets Glossary | 277 |
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absolute mag absolute magnitude amateur angle Aquarius astronomical atmosphere axis binary black hole Boötes bright brightest star Canis celestial equator cent Centaurus centre cloud Coma comet component condensation constellation contains Corona craters density diameter distance Earth ecliptic elliptical energy Eridanus event horizon evolution eyepiece flanked focal length g/cm³ galactic galaxy globular clusters gravitational H-R diagram helium hydrogen Jupiter km/s lens lies between RA light years distant luminosity main sequence Mare Mars massive measured Mercury meteorites mirror Moon motion moving Nebula neutron nucleus object observed open clusters orbit Orion outer particles perihelion period planet planetary Pluto pole position radiation radio radius reflector refractor region rotation Sagittarius satellites Saturn Scorpius Serpens solar masses solar system space spiral stellar classes surface synodic period telescope temperature Triangulum Triangulum Australe universe Uranus Ursa variable velocity Venus