Universal Change
How many galaxies are there
What might happen if two universes collide
what might happen if our sun turned into a red giant
Is there a multiverse?
Wormholes 
dimension
Time Travel
location
Eras
super galaxy
It will happen in a few billion years
theory : it can make a wormhole
Sun will expand and eat earth
chances of the the universe die shortly after the collide
120 billion galaxy
why did the big bang theory even start
something that happen naturally the moment it was born
unknown causes ( Example alien from a different universes)
dust or particles
the earth would have been consumed by the sun
Mystical Creatures
click to edit
past
future
can make more planets
wormholes
end of humanity
end of humanity
it can make a neutron star
it can become a black holes