Questions on 'space travel and exploration' tag
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1
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391
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1
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264
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0
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1
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310
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0
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263
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0
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1
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278
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0
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1
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292
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0
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1
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287
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0
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1
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359
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0
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0
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252
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0
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1
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326
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0
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0
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307
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0
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1
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629
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0
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1
answer
682
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0
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1
answer
581
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0
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0
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470
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0
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0
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503
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0
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1
answer
649
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0
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1
answer
603
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0
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0
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495
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0
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0
answer
490
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0
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1
answer
584
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0
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1
answer
580
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0
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1
answer
611
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0
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1
answer
606
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0
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1
answer
631
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0
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1
answer
625
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0
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1
answer
621
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0
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1
answer
687
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0
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0
answer
571
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0
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1
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534
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0
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1
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612
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0
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1
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541
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0
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0
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493
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0
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1
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635
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0
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0
answer
484
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