知识世界

Astronomy:Edwin Powell Hubble and the Expanding Universe

Ever since people started thinking about the structure of the universe， they have sought to plumb its depths. But it took an American astronomer， Edwin Powell Hubble， to solve the puzzle concerning its limits. For the past decade， astronomers have been using the space telescope named after Edwin Powell Hubble to obtain new data about the universe.

• 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