The Kepler space observatory found at 600 light years from ...
Apollo 1 tragedy happened during the test,with the Command ...
Also called Explorer 81, it is the sixth mission in the ...
Kwangmyŏngsŏng-3, meaning Bright Star-3, is a North Korean ...
A reusable spacecraft with wings developed by the U.S. ...
A type of vertical transport device that efficiently moves ...
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