If human beings ever inhabited another world in our solar 
system
This is the most likely candidate
The red planet

The iron core was no longer able to generate this 
magnetic field
And then the solar wind started poundingÂ…

And that could actually be in the case of Mars and Earth
A significant connection

A mystifying image
While flying over a region of Mars called Cydonia
Possibly where water spurted from the ground
Transforming into vapor and vanishing

Mars: it has intrigued human kind for thousands of years

Humans finally got a closer look at the mysterious planet

We conclude that
This is evidence for early life on Mars

Finding life on Mars could also help us understand the 
origins of life on our own planet
And that could actually be in the case of Mars and Earth
A significant connection