Space

4. Name of a cape on the Florida coast used by the US Air Force to launch rockets
5. Name of an animal and also the lunar module of Apollo 11
6. My trajectory is ellipse-shaped, I come back on a same point of my ellipse every cycle. Churyumov–Gerasimenko is one of them.
8. Name of the spaceflight that first landed humans on the Moon
10. Vehicle used for travelling in space
12. Fourth planet of the solar system, its nickname is the red planet
13. Space station placed in low Earth orbit permanently occupied by an international crew
15. Space probe created by NASA to study the solar system
16. Name of a robotic European Space Agency lander that accompanied the Rosetta spacecraft.
18. Name of a car-sized rover designed to explore Mars as part of NASA's Mars Science Laboratory mission
19. Name of the female dog sent into space in 1957

1. Name of the tense relationship between the United States (and its allies), and the Soviet Union between the end of World War II and the fall of the Soviet Union
2. Government agency responsible of the US space program
3. Sputnik is one of them
5. Name of an intergovernmental organisation of 22 member states (France is one of them) dedicated to the exploration of space.
7. Curved path of a celestial object or spacecraft round a star, planet, or moon
9. Name of and American astronaut who said “That's one small step for man, one giant leap for mankind”
11. Type of ray that Sputnik studied
14. A Soviet Air Forces pilot and cosmonaut who became the first human to journey into outer space
17. Name of a program organized by NASA in the second middle of the 20th century in search of microbial life on the surface of Mars.