Astro Crosswords - Solar System and Space Exploration

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Across
  1. 4. Roman Goddess of love, she gave name to a planet close to Earth in size, but hellish at its surface.
  2. 7. Private American Firm, founded in 2012 by Elon Musk, which became the first private enterprise to manage to put objects on a Solar orbit.
  3. 9. Largest planet in the Solar System and king of gods for romans.
  4. 10. The largest of Saturn's natural satellites, and the second largest of the whole Solar System. Known for being the one with the densest own atmosphere.
  5. 13. ESA mission to the comet 67P/Churyumov–Gerasimenko in 2004, it was the first probe to land on a comet. Its name represents a stone that allowed for the deciphering of hieroglyphs.
  6. 14. Dwarf planet in the asteroid belt, it was actually considered to be a planet between 1801 and 1850.
  7. 15. Russian Cosmonaut, he was the first man to travel to space, orbiting the Earth for 108 minutes in 1961.
  8. 16. This dwarf planet, named after the Greek goddess of strife and discord, caused controversy after its discovery in 2005, eventually resulting in the demotion of Pluto as a planet.
  9. 17. It was at this lunar sea, covered in basaltic rock, that landed the first manned mission to our natural satellite in 1969.
  10. 19. Russian spaceship, it was, between the retirement of the Space Shuttle, in 2011, and until 2020, the only method of transportation for astronauts journeying to the International Space Station.
  11. 20. NASA program that sent two space probes in 1977 that passed through multiple planets of the Solar System, taking groundbreaking pictures of them.
Down
  1. 1. Goddess of house and home, she gave the name to one of the largest asteroids in the main asteroid belt of our Solar System.
  2. 2. Name given to the 6-wheeled NASA rover sent to the Martian surface in 2012, sending us some of the highest resolution images of that planet we have ever seen.
  3. 3. Roman god of Sea and Water, he gives name to one of the gaseous giants of our Solar System.
  4. 5. Smallest planet of the Solar System, it is also the one orbiting closest to our Sun.
  5. 6. Russian space dog, it was, in 1957, the first animal to enter Earth orbit.
  6. 8. The ferryman of the dead and one of Hades' friends in Roman mythology, it forms, together with Pluto, the only Double-planet in our Solar System.
  7. 11. Acronym for the International Space Station. With the first modules launched in 1998, its existence represents a collaboration between all of mankind to keep a permanent presence in space.
  8. 12. American Astronaut, this man became famous for being the first human to step on the Moon.
  9. 18. One of the four largest Jupiter moons, it was discovered by Galileu in 1610.