The Cosmic Calendar
Neil deGrasse Tyson explores the cosmic calendar, starting with the big bang.
(00:50)
History of Civilization
With the discovery of writing, humankind was able to evolve the power of communication.
(01:09)- كل الفيديوهات
Neil deGrasse Tyson explores the cosmic calendar, starting with the big bang.
(00:50)With the discovery of writing, humankind was able to evolve the power of communication.
(01:09)