A Black Hole is Not a Hole 黑洞不是真的洞-Carolyn CinamiDecristofano

A Black Hole is Not a Hole - Carolyn Cinami DeCristofano
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有声书音频mp3
Kids  >  Ages 8-10
A Black Hole Is Not a Hole
Written by: Carolyn Cinami DeCristofano
Narrated by: Maxwell Glick , Tara Sands , Everette Plen
Length: 1 hr and 16 mins 

如果黑洞不是一个洞，那它是什么？找出黑洞，发现是什么原因导致了它们的诞生，科学家又是怎么发现了他们……