Questions on 'space travel and exploration' tag
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82
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1
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78
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76
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67
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82
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74
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78
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70
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71
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1
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117
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129
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1
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413
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1
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444
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1
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366
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321
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346
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1
answer
409
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1
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370
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0
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0
answer
328
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0
answer
340
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1
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372
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0
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1
answer
393
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0
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1
answer
388
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1
answer
368
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1
answer
376
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1
answer
414
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1
answer
387
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0
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1
answer
416
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0
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answer
371
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1
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357
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1
answer
388
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1
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352
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answer
340
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1
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384
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answer
333
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