Questions on 'space travel and exploration' tag
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341
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1
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386
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411
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364
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344
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299
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1
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425
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312
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1
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395
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1
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390
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1
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365
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215
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1
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281
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1
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308
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1
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256
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1
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230
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1
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284
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1
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253
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0
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1
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299
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0
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1
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235
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1
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253
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1
answer
268
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0
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1
answer
161
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0
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1
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317
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1
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506
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1
answer
399
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1
answer
458
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0
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1
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433
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0
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1
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490
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1
answer
399
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1
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668
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1
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460
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1
answer
447
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1
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380
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1
answer
369
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