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

Kevin Allocca, YouTube Trends Manager, recently watched "29 years old and hearing myself for the 1st time!."