Seven best football movies EVER!!

In alphabetical order:

• Jerry Maguire
  
• The Longest Yard (original version)
  
• Necessary Roughness
  
• The Program
  
• The Replacements
  
• Varsity Blues
  
• The Waterboy
  

If the Empire wanted to destroy the moon Yavin 4 and the rebel base on it, why didn't they just to go THROUGH the planet Yavin by blowing it up with the Death Star, instead of just waiting to come around its orbit?