Alex Filippenko is known for his work on History of the World in 2 Hours (2011), The Universe (2007) and GENIUS by Stephen Hawking (2016).
演员
2021-03-24(美国)
9.1分
饰：Self - Astrophysicis
2019-01-08(美国)
7.3分
饰：Self - Subject Matter Expert
2016-09-30(美国)
8.0分
饰：Self
2016-05-18(美国)
8.3分
饰：Self - Astrophysicist
2016-04-26(美国)
