Kosmonavo
Kosmonavo esas vehilo o mashino uzata por navigar en extera spaco.
Kosmonavi uzesas por multa skopi, inkluzite telekomuniko, meteorologial observi, explorar planeti, e transportar astronauti e/o vari.
En sub-orbitala flugo, kosmonavi iras ad extera spaco e rivenas a Tero sen enirar en orbito. En orbitala flugi, kosmonavi eniras l'orbito di la Tero o di altra planeti o sateliti. Nun, kelka kosmonavi voyajas en trajektorii qui abandonos la sunala sistemo.
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