Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory,

we're asked at the reason alien civilizations might be rare is because most aliens are huge.

To hear it and every episode early and add-free, plus hours of bonus content,

check out go.nebula.tv slash Isaac Arthur and use my code, Isaac Arthur.

They say paradise is in the eye of the beholder, but on a paradise planet, you have an entire world of majestic sights to behold.

To discuss a paradise planet, we must first ask ourselves what Paradise is, and of course this varies

vastly by the individual we ask, and yet we often hear certain common themes, for both its

appearance and how it makes us feel. Paradise, as often imagined, is a place of unparalleled

beauty and tranquility, where the burdens of life

lift away, and the soul finds peace. Imagine, then, a vast and lush landscape where

verdant forests team with vibrant life, and crystal-clear streams meander through the meadows,

bursting with flowers of every conceivable color.

The air is perfumed with the sweet fragrance of blooming flora, and the gentle home of nature's

harmony fills the space. In this paradise, the weather remains perpetually perfect,

balancing on the cusp of spring and summer,

that perfect blend of that shade of green, of newly opened leaves, and the golden sunlight,

where the warmth of the sun kisses the skin, but a gentle breeze always seems to cool the air

just right. The skies are a lazy, brilliant azure, painted with

soft, cotton-like clouds that drift lazily by, and here too we catch them lazily ourselves,

thinking of what they might remind us of, and in no rush to go to our next task or appointment.

Nestled within this natural splendor are dwellings of spacious and exquisite design,

and surrounded by gardens that blend seamlessly with the wider environment,

...