Could Life Be Older Than Earth?

Could Life Be Older Than Earth?

Assessment

Interactive Video

Physics, Science, Biology

11th Grade - University

Hard

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The video explores the search for extraterrestrial life, focusing on the question of when life might have developed elsewhere. It discusses Earth's biological timeline, the doubling of genetic complexity, and the possibility that life could predate Earth. Theories by scientists like Alexei Sharov, Richard Gordon, and Avi Loeb are examined, suggesting that life could have originated in the early universe. The panspermia theory is also explored, proposing that life could spread naturally across the universe. The video concludes by questioning whether we are the first advanced life or part of a longer chain.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the 376 million year doubling time in genetic complexity?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the findings of Sharov and Gordon challenge our understanding of when life began on Earth?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

In what ways could life have formed on rogue planets according to Avi Loeb's calculations?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does the theory of panspermia play in the discussion of life's origins?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What implications do the studies suggest about the uniqueness of life on Earth?

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