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play / stop soundtrack SPACE TRAVEL RADIO
和密碼：
NGC 6781
Planetary Nebula
NGC 2237
Emission Nebula and Open Custer
NGC 891
Spiral Galaxy
NGC 2174
Emission Nebula
NGC 1514
Planetary Nebula
MARS
Planet Mars
Moon
Gassendi Crater
M 97
Planetary Nebula
M45
Pleiades
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