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The astronaut Neil Armstrong

0
Given Metadata

Konstantin Eduardovich Tsiolkovsky, the "father" of space technology

3.5
Average: 3.5 (2 votes)
Given Metadata

Robert Goddard: the theoretical founder of modern rockets

4
Average: 4 (2 votes)
Given Metadata

Hermann Julius Oberth: the pioneer of rocket science

3
Average: 3 (1 vote)
Given Metadata

Τhe rocket in the literature of the 19th century

4
Average: 4 (1 vote)
Given Metadata

Τhe rocket in the literature of the 19th century

4
Average: 4 (1 vote)
Given Metadata

Τhe rocket in the literature of the 19th century

3
Average: 3 (1 vote)
Given Metadata

Τhe rocket in the literature of the 19th century

4
Average: 4 (1 vote)
Given Metadata

The cosmonaut Yuri Gagarin

0
Given Metadata

The artificial satellite Sputnik 1

5
Average: 5 (1 vote)
Given Metadata