Galaxies"A Sierra Club book." An accurately illustrated guidebook with theoretical space journeys through the universe. |
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Page 95
... mass , with the fraction increasing as we move down the spiral sequence from Sa to Sd . Irregulars include some of the murkiest galaxies , with up to fifty percent of their mass in the form of interstellar clouds . A galaxy can acquire ...
... mass , with the fraction increasing as we move down the spiral sequence from Sa to Sd . Irregulars include some of the murkiest galaxies , with up to fifty percent of their mass in the form of interstellar clouds . A galaxy can acquire ...
Page 142
... mass . Galaxies that nearly collide can form long tails full of stars and interstellar material that extend for several galactic diameters into space . The sequence of events that makes this possible appears to be the following : Two ...
... mass . Galaxies that nearly collide can form long tails full of stars and interstellar material that extend for several galactic diameters into space . The sequence of events that makes this possible appears to be the following : Two ...
Page 182
... Mass . , Sky Publishing Corp. Spaceflight . London , The British Interplanetary Society . Technical Annual Review of ... Mass . , Sky Publishing Corp. , 1962 Becvar , Antonin , Atlas of the Heavens - II . Catalogue . Cambridge , Mass ...
... Mass . , Sky Publishing Corp. Spaceflight . London , The British Interplanetary Society . Technical Annual Review of ... Mass . , Sky Publishing Corp. , 1962 Becvar , Antonin , Atlas of the Heavens - II . Catalogue . Cambridge , Mass ...
Contents
A Spiral Galaxy | 17 |
Stars and Interstellar Space | 24 |
The Death of Stars | 53 |
Copyright | |
9 other sections not shown
Common terms and phrases
Andromeda Galaxy appear astronomers atoms barred spiral billions of stars black hole bright nebulae Centaurus central bulge central regions clusters of galaxies collapse cosmic cosmology cosmos dark diameter disk distance dwarf galaxies earth ejected elliptical galaxies energy Eta Carina Nebula expansion exploding fifteen billion Flatlanders foreground galactic galaxy's gas and dust giant globular clusters globular star clusters glowing Hale Observatories Halton Arp hundred million hydrogen gas intergalactic space interstellar clouds interstellar gas interstellar material Kitt Peak Kitt Peak National light cone light-years Lineland Local Supercluster lookback mass Milky Way Galaxy million light-years nearly nucleus objects observer open star clusters orbit Peak National Observatory photograph plane planetary quasars radiation relative ring galaxy satellites seen solar system spectrum spherical clusters spiral arms spiral galaxy starlight stars and interstellar stellar structure Supercluster supernova telescopes thousand light-years Trifid universe velocity violent galaxies Virgo visible X-ray young stars