PLANETARY SYSTEMS OF THE GALAXY
Definition of planets, relative contents of planetary systems in Galaxy, and main results of searching for them are adduced. It is supposed to distinguish four types of planets accordingly their inner substance composition: hydrogenous-helium (H2 , He, Ne), ice (H2O, CH4, NH3 and their cluster tree,...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Odessa I. I. Mechnykov National University
2017-04-01
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| Series: | Odessa Astronomical Publications |
| Online Access: | http://oap.onu.edu.ua/article/view/99154 |