Origins: Earth Is Born
- Episode aired Sep 28, 2004
- TV-PG
Astrophysicist Neil deGrasse Tyson measures Earth's 4.5 billion year history in terms of one 24-hour day. And covers the first hour, when, he says, the planet was "beaten, bombarded, mangled... Read allAstrophysicist Neil deGrasse Tyson measures Earth's 4.5 billion year history in terms of one 24-hour day. And covers the first hour, when, he says, the planet was "beaten, bombarded, mangled and melted" for several hundred million years.Astrophysicist Neil deGrasse Tyson measures Earth's 4.5 billion year history in terms of one 24-hour day. And covers the first hour, when, he says, the planet was "beaten, bombarded, mangled and melted" for several hundred million years.