知识世界

Astronomy:Above and Beyond

Millions of years ago， human beings began to ponder what is above and beyond. Nowadays， we seem to be more eager about exploring it. In order to get solution to the air crash， many million-dollar planes are sent to the ground on purpose. Finally a new plane comes into being. It has different appearance and can fly faster， higher， more quiet and efficiently.

• 01

  Astronomy： Threat from Space

  
• 02

  Astronomy： Galileo and the Milky Way

  
• 03

  Astronomy： Spacefiles — Lord of the Rings

  
• 04

  Astronomy： Spacefiles — Venus

  
• 05

  Astronomy： Spacefiles — Sun

  
• 06

  Astronomy： The Story of Aviation

  
• 07

  Astronomy： Spacefiles — Galaxy

  
• 08

  Astronomy： History of the Race to the Moon

  
• 09

  Astronomy： Deep Impact

  
• 10

  Astronomy： Edwin Powell Hubble and the Expanding Universe