When Is The End Of
I
The End?
In 600 million years year mark, our Milky
photosynthesis
be- Way galaxy collides
n 100,000 comes impossible as with the Andromeda
years
the too much carbon di- galaxy but, although
position of Earth in oxide gets trapped they
the Milky Way will in Earth's crust.
have
changed
to
interact,
most of the galaxies
A billion years from are empty space.
such a degree that today all multicelluthe
will
This
means
that
constellations lar life, including us, only about six out of
will look completely
a
trillion
stars
might
actu-
different in the
night sky.
Any
time
in the next
500,000
y e a r s ,
meanwhile, we can
w i l l ally collide.
expect Earth to be be eradicated as the
In 7.9 billion years,
hit by an asteroid sun boils our oceans when our sun runs
large enough to sig- and
destroys
nificantly alter our greenery.
climate
our out of gas, it starts
to expand and con-
At the four billion sumers
the
inner