Alex Filippenko
- Title : Alex Filippenko
- Popularity : 0.001
- Known For : Acting
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6 2011 HD
The enterprising alien who wants to visit Earth faces a number of daunting challenges. This program examines the advanced technologies he would need...
8.6 2019 HD
How's it all gonna end? This experience takes us on a journey to the end of time, trillions of years into the future, to discover what the fate of...
1 2011 HD
In this two-hour special, NOVA examines how a simple instrument, the telescope, has fundamentally changed our understanding of our place in the...