谜团

谜团,是令人无法理解的现象。当人了解其原理后,这个谜团就会消失,但至今世界上仍有不少谜团未被解开,如生命的起源、人类进化、黑洞等等。

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.