U litter "Space"

 Female

Umani : alien race living on earth; meaning "human" (It.)

Nova : new young star 

lives in Mechelen - BE

 Female

Utopia:  an imagined place or state of things in which everything is perfect 

Lux luna : moonlight (Lat.) 

lives in Brugge - BE

 Male

Ulysses:  robotic space probe whose primary mission was to orbit the Sun 

Sky: the beginning of ? 

lives in Diepenbeek - BE

 Male

Universe: the cosmos

Apollo:  NASA program that resulted in American astronauts' making a total of 11 spaceflights and walking on the moon.  

lives in Antwerpen - BE 

 Male 

Ubbe : means 'shining" - son of Ragnar in Vikings

Bear : star constellation big and little bear

lives in  Poperinge - BE

 Male 

Unix : computerlanguage

Hunter : star constellation 

lives in Rotselaar-BE