The 13 puzzles

Dear investigator, you carried out the investigation into the extraterrestrial life in the cité de l'espace !

Cheers !

You have now to give us your answers in the questionnaire below after what the DGRA will check them.
If you have more then 8 good answers, the DRGA will give you a special access to the secret files to help our real astonomer in detecting extraterrestrial.

In which hostile environment does live galathée yéti which could looks like a shaggy extraterrestrial ?
 
Which is the only object of extraterrestrial origin which falls sometimes on the Earth ?
 
Which thing Kenneth Arnold did it undoubtedly take for a flying saucer ?
 
Which tool the astronauts didn't carry on the Moon to collect stones?
 
Which noise can one never hear on the surface of the planet Mars ?
 
Which machine of exploration couldn't be used on Europe ?
 
Which is the color of the sky on Titan in full day ?
 
Wich element is represented the least on the messages we sent in space for possible extraterrestrial ?
 
How many exoplanets turning around other stars like the Sun were to date discovered ?
 
Imagine that you're an Extraterrestrial looking at our solar system from one of our neighbouring stars: what would you see ?
 
The Hubble space telescope discovered what the astronomers call the tadpoles. What is it ?
 
What are generally the Extraterrestrial looking like in the cinema ?
 
Mendel, the Extraterrestrial of science fiction, seems not to have one of the 5 directions. Which one ?