Chapter
The Search for Life Beyond Earth
14:12 - 18:28 (04:16)
Scientists are rethinking the conventional methods of searching for life beyond Earth by looking at the behaviors of life rather than the presence of oxygen. The process of finding life also involves understanding the lifetimes of different stars.
Clips
The conventional way of looking for life is to search for the presence of oxygen, but it might be better to define the characteristics of life instead.
14:12 - 18:28 (04:16)
Astrobiology
Summary
The conventional way of looking for life is to search for the presence of oxygen, but it might be better to define the characteristics of life instead. The Great Oxidation Event marked the first time oxygen was present on Earth, while stars like our sun take millions of years to settle into their lifetime on the main sequence.