Commonwealth Fund Book Program

Which of these bizarre phenomena, if any, can really exist in our universe? Black holes, down which anything can fall but from which nothing can return; wormholes, short spacewarps connecting regions

• Series: Commonwealth Fund Book Program #0
• Author: Thorne, Kip
• Binding: Paperback
• Page Count: 624
• Publish Date: January 17, 1995
• ISBN10: 0393312763
• Language: English