Extraterrestrial life
Discussion
Fast and Spurious said:
But our whole galaxy itself is travelling in a straight line.
our galaxy is part of the which is a component of the Virgo Supercluster, which is itself a component of the Laniakea Supercluster. This gravitational focal point of Laniakea called the Great Attractor, so there is no straight line.Explained here
https://www.youtube.com/watch?v=rENyyRwxpHo
Edited by The Spruce goose on Monday 22 January 09:50
ash73 said:
Simpo Two said:
I can't think of anything that would kill all 7.000.000.000 human beings short of the sun exploding.
Supernova <50 lyGamma ray burst <1000 ly
Encounter with black hole or rogue planet
Impact from stellar object 5-10km
Impact from interstellar object 1-5km
Extreme solar event
Extreme volcanic activity
Nuclear winter
Biological warfare
AI or alien extermination
Adverse evolution
scorp said:
Moonhawk said:
Well if the study of life on this planet has taught us anything - extinction seems to be the norm. Far more species have gone extinct than not - why should humans be a special case?
We are probably the only species to have existed to be fully aware and capable of averting our extinction.The Spruce goose said:
our galaxy is part of the which is a component of the Virgo Supercluster, which is itself a component of the Laniakea Supercluster. This gravitational focal point of Laniakea called the Great Attractor, so there is no straight line.
Explained here
https://www.youtube.com/watch?v=rENyyRwxpHo
Wow! Explained here
https://www.youtube.com/watch?v=rENyyRwxpHo
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