This week's Trends: space, holidays, and pranks
Each weekday, we at YouTube Trends take a look at the most interesting videos and cultural phenomena on YouTube as they develop.  We want take a moment to highlight some of what we've come across this week:
            
          
            
              
- We studied a trend of popular composite videos created from photos taken in space.
 - We collected some of the popular Rosh Hashanah music video parodies being watched during the Jewish New Year. 
 - We looked at how U.S. "X Factor" contestant Chris Rene jumped to popularity.
 - CBS News' The Feed examined the rising phenomenon of globally-popular Russian cat videos.
 - We tracked footage being posted from the "Occupy Wall Street" protests in NYC.
 - And this Carlsberg prank from Belgium became a global hit:
 
Check back every day for the latest about what's trending on YouTube at: www.YouTube.com/Trends