How Many Alien Civilizations Exist in Our Galaxy?
Science Time・2 minutes read
The discovery of ancient pictograms raises questions about extraterrestrial life, with over 300 million Earth-like planets in the Milky Way possibly hosting life. A new cosmic calculation estimates at least 36 intelligent civilizations in the galaxy, with concerns about contacting potentially hostile alien civilizations.
Insights
- Stephen Hawking cautions against initiating contact with potentially hostile extraterrestrial civilizations.
- A new cosmic Evolution-based calculation indicates an estimated 36 intelligent civilizations within the Milky Way, showcasing the potential for advanced life beyond Earth.
Get key ideas from YouTube videos. It’s free
Recent questions
Are there other intelligent civilizations in the Milky Way?
Yes
How many Earth-like planets are in the Milky Way?
Over 300 million
What is the Kardashian scale used for?
Ranking alien civilizations
Should we reach out to alien civilizations?
Stephen Hawking warns against it
How many intelligent civilizations are estimated in the Milky Way?
At least 36
Related videos
Cool Worlds
How Many "Earth-Like" Planets Are There Really?
Destiny
These Paradoxes Keep Scientists Awake At Night! No Solutions!
Thoughty2
Why Haven't We Found Aliens Yet?
Astrum
What Will Humanity Do If We Ever Discover Aliens?
Science Time
Brian Cox - Solving The Fermi Paradox: Intelligent Alien Life in Our Galaxy
Summary
00:00
"Alien civilizations in the Milky Way"
- Pictogram discovered in ancient civilizations, posing the question of life beyond Earth.
- Over 300 million Earth-like planets in the Milky Way, with billions potentially harboring life.
- New cosmic Evolution-based calculation suggests at least 36 intelligent civilizations in the Milky Way.
- Alien civilizations ranked by the Kardashian scale based on energy usage.
- Stephen Hawking warns against reaching out to potentially hostile alien civilizations.
- Uncertainty regarding the existence of other civilizations in the Milky Way, with divided scientific opinions.
- Possibility of highly advanced civilizations in the galaxy, potentially capable of interstellar travel and colonization.
