Operating system


Измерване височината на лунните планини

0
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Слънчеви петна

4
Average: 4 (1 vote)
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Измерване на обиколката на Земята

0
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Слънчеви цикли

0
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Изследване на лунни кратери

4
Average: 4 (2 votes)
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Maan ympäryksen mittaus

4
Average: 4 (1 vote)
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Kuun kraaterit

4
Average: 4 (1 vote)
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Measurement of the Earth Circumferance

4.5
Average: 4.5 (4 votes)
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Μέτρηση της περιφέρειας της Γης

4.5
Average: 4.5 (2 votes)
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SuperNova Remnants

4
Average: 4 (1 vote)
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