I. Listen and decide if the following sentences are True (T) or False (F). 1.

Understanding the Context

Humans have never contacted with aliens. 2. Fermi Paradox suggests that it will exist on Earth-like planets in the universe. 3.

Key Insights

Extraterrestrials may not have decoded the signals we sent. 4. Signals from Earth have reached 8,500 stars. 5.