If the universe's lifespan is analogized to a 24-hour clock, when did modern humans appear?
Answer
Mere seconds
The analogy used places Earth's complex animal life appearing in the last hour of the 24-hour cosmic clock, with modern humans having existed for only the last few seconds.
#Videos
Do I Believe in UFOs? - YouTube
Related Questions
Approximately how many stars are estimated to exist in our Milky Way galaxy alone?What criterion defines a planet's location within a star’s Goldilocks zone?What fundamental question does the Fermi Paradox highlight?What scientific focus drives missions to Mars concerning extraterrestrial life?Where have the basic, carbon-based building blocks necessary for life been detected?What does the text identify as a significant hurdle related to defining life during the search?If the universe's lifespan is analogized to a 24-hour clock, when did modern humans appear?In the layered search strategy, what is the primary method associated with Level 3 (Galactic Scale) targets?What reconciliation factor is suggested for advanced civilizations potentially existing in the past or being too far away now?What is the main reason the desire to believe in extraterrestrial life is considered deeply ingrained in the human psyche?