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 56
... radius of the collapsed star will increase with reduced mass because the mag- nitude of gravitational compression is related to the available mass . This is the reverse of the mass - radius relationship that dominated the criteria for ...
... radius of the collapsed star will increase with reduced mass because the mag- nitude of gravitational compression is related to the available mass . This is the reverse of the mass - radius relationship that dominated the criteria for ...
Page 200
... radius of 60 450 km . A remarkably low mean density of 0.7 g / cm3 means that Saturn would literally float in a sea of water , and within a volume 755 times the Earth , the planet contains 95.2 Earth masses . It is very difficult to ...
... radius of 60 450 km . A remarkably low mean density of 0.7 g / cm3 means that Saturn would literally float in a sea of water , and within a volume 755 times the Earth , the planet contains 95.2 Earth masses . It is very difficult to ...
Page 204
... radius of 2900 km and supports methane and hydrogen while Hyperion has a radius of about 240 km . Saturn's ninth moon , lapetus , is in an orbit with a semi - major axis of 3.56 × 106 km , inclined 15 ° to the plane of the rings and has ...
... radius of 2900 km and supports methane and hydrogen while Hyperion has a radius of about 240 km . Saturn's ninth moon , lapetus , is in an orbit with a semi - major axis of 3.56 × 106 km , inclined 15 ° to the plane of the rings and has ...
Contents
Saturn | 198 |
Telescopes Neptune | 208 |
ne Planets Glossary | 277 |
Copyright | |
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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