| 
					著者:
				 | Perritano, John. | 
| 
					题名:
				 | Wormholes / / , | 
| 
					出版发行:
				 | 出版地: [Costa Mesa, Calif.] : 出版社: Saddleback Educational Pub., 出版日期: [2015] | 
| 
					载体形态:
				 | 51 p. : ill. (chiefly col.), maps (some col.) ; 22 cm. | 
| 
					内容提要:
				 | Provides an introduction to wormholes, discussing how fast light can travel, the possiblity of wormholes being used to travel from one galaxy to the next and more. | 
| 
					主题词:
				 | Wormholes (Physics) | 
| 
					主题词:
				 | Astronomy | 
| 
					主题词:
				 | Wormholes (Physics) | 
| 
					主题词:
				 | Astronomy. |