Song lyrics and meanings

[The chaser]

I think that Planet Caravan by Black Sabbath is the one.
It's a bit psychedelic.

LYRICS:

Spoiler below!

We sailed through endless skies

Stars shine like eyes

The black night sighs

The moon in silver trees

Falls down in tears



Light of the night

The earth, a purple blaze

Of sapphire haze in orbital ways



While down below the trees

Bathed in cool breeze

Silver starlight breaks dawn from night

And so we pass on by

The crimson eye of great god Mars

As we travel the universe

My interpretation was probably about aliens. They found the Earth. They were happy, but now they're saddened.
Why?

If you were to read it, Mars was mentioned AS A GOD, not AS A PLANET.
Mars is a god of war, which means that humanity is still in war, and the aliens are saddened that they're not so special. They travel hundreds of years, in the blackest nights. Stars looks like bright eyes. Only to find a humanity not yet ready.

I actually wouldn't give it that sense. I think that Black Sabbath meant that, even being in a big, vast, and beautiful universe, humanity focuses in fighting each other.