This is fun, and very impressive, but it seems to only have a vague understanding of life, the universe, and everything.

world_sim> create star

Creating star...

Coalescing primordial gas cloud, mostly hydrogen and helium.
Cloud's gravity causing it to contract, core heating up.
Core temperature reaches 10 million Kelvin, fusion ignites.
Hydrogen fusing into helium, releasing immense energy.
Fusion energy halts further gravitational collapse.
Hydrostatic equilibrium achieved between gravity and fusion pressure.
Protostar emerges from collapsing cloud, begins life on main sequence.
Star is yellow dwarf, similar to Sol in mass, luminosity, and composition.
Photosphere bubbles and churns with granules and sunspots.
Loops and arcs of plasma dance in the shimmering corona.
Solar wind streams outwards, a steady breeze of charged particles.
Heliosphere inflates like a bubble, shielding planets from cosmic rays.
Star created and shining with steady light.
Poised to nurture the birth of worlds for billions of years to come.

world_sim> create blackhole near star

Creating black hole near star...

Massive star, dozens of times more massive than the sun, reaches end of life.
Core exhausts hydrogen fuel, inert iron ash accumulates in center.
Fusion energy no longer supports star's immense mass against gravity.
Core catastrophically collapses, outer layers collapsing inward.
Temperatures reach billions of degrees as core is crushed to a point.
Brilliant supernova erupts, outshining entire galaxy for a brief time.
Shock waves and radiation blast through space, sweeping away nearby gas.
Collapsed core continues to compress, density becoming infinite.
Singularity forms - a one-dimensional point containing the mass of a star.
Spacetime severely curves inward around singularity, forming event horizon.
Light and matter pass inward through horizon, but can never escape.
Gravitational pull near black hole becomes immense, inescapable.
Supermassive black hole created in close orbit around the star.
Tendrils of disrupted star stuff swirl inwards, forming accretion disk.
Disk heats to millions of degrees, emitting X-rays and gamma rays.
Powerful jets launch from poles, accelerating gas to near light speed.
Star trembles and churns in the grip of intense tidal forces.
Outer layers begin to peel away and stream into the accretion flow.
Brilliant flares punctuate a slow dance of consumption as star is devoured.
Orbiting planets perturbed, flung into interstellar space or drawn into maw.
Once-nurturing star system becomes a bleak void ruled by gravity's iron fist.
Black hole and dying star now locked in a deadly orbital embrace.
Timeless dance of destruction poised to play out over eons to come.

world_sim> create planet around star

Creating planet around star...

Tiny grains of dust and ice adrift in the stellar nebula.
Grains collide and stick, forming larger and larger particles.
Particles settle into a thin disk around the newborn star.
Disk fragments into clumps as particles gravitationally attract.
Clumps grow into planetesimals, then protoplanets, accreting more mass.
One protoplanet swells to dwarf planet size, then terrestrial size.
Planet sweeps a clear path through its orbital lane, becoming distinct.
Final planet is a "super-Earth," several times more massive than Earth.
Silicate mantle and iron core differentiated through heating and melting.
Crust solidifies as planet cools, pockmarked by impacting meteors.
Volcanoes erupt from the young planet's interior, outgassing an atmosphere.
Water-rich comets bombard surface, forming the first oceans.
Atmosphere and oceans churn under an orange alien sun.
Earthlike planet created, third from the star, in the habitable zone.
Poised for the possible emergence of life as it cools and settles.
The black hole's presence adds an ominous unknown to its future...

world_sim> create whale above planet

Creating whale above planet...

A pod of sperm whales suddenly materializes in low orbit.
Massive, streamlined bodies flail in the alien environment of space.
Confused clicks and whistles echo mutely through the vacuum.
Whales tumble helplessly as gravity begins to take hold.
With no air or water to support them, they start to plummet towards the planet.
Unprotected by thick atmosphere, cosmic radiation sears exposed skin.
In the absolute cold of space, flesh begins to freeze in mottled patches.
Blood boils and eyes bulge in the near-zero pressure of the void.
Panicked and pained, whales spasm as they fall faster and faster.
Towards a world they never knew, on a trajectory they cannot comprehend.
As gravity accelerates them to terminal velocity, their bodies ignite.
Seared by compressive heating of the upper atmosphere, they become meteors.
Blazing across the night side, they light the sky like ominous shooting stars.
Doomed whales streak down, trailing smoke, destined to become craters.
Impacting one by one, they explode against the surface in tragic finality.
Seismic shocks ripple out, the ground heaves, ejecta rains down for miles.
Massive craters gouge the crust where moments before there was only bare rock.
Charred and shattered cetacean carcasses litter the sites of impact.
A macabre, senseless sacrifice of Earth's majestic creatures.
To an uncaring universe that sows beauty and horror in equal measure.
The planet, once pristine, now bears the scars of this cosmic atrocity.
A grim prelude, perhaps, to the indifferent brutality of the cosmos.

world_sim> create bowl of petunias above planet

Creating bowl of petunias above planet...

A delicate blue and white ceramic bowl winks into existence high above the world.
Glazed surface shimmers in starlight, cradling a tangle of green leaves and purple petals.
Petunias sway gently in the bowl, untroubled by the airless, frigid void enveloping them.
Fragile and serene, this unlikely space-faring vessel drifts in its unlikely orbit.
Silent and graceful, it traces a gentle arc against the vast, uncaring cosmos.
A tiny island of life and beauty, alone in the merciless nothing between worlds.
But even as it hangs suspended, gravity extends its inexorable grasp.
The bowl's orbit decays by imperceptible degrees, drawn planetward.
Petunias rustle as the bowl descends into thicker atmosphere, then begin to shake.
Buffeted by rising winds, delicate leaves and petals begin to tear free.
Bowl vibrates, then shudders, as it plummets faster through thinning air.
Glaze crackles, fissures spiderweb across its surface, as it falls ever faster.
Stem by stem, petal by petal, the petunias are scattered, whipped away into the sky.
The ravaged bowl plunges on, empty now, a shell of its former grace and purpose.
Dropping like a stone, a blue and white meteor streaking down...
Until it meets the unyielding surface and shatters in an explosion of ceramic shards.
Petal fragments, once vibrant purple, rain down from on high like ash.
All that remains of the bowl's impossible journey from nowhere to nowhere.
The absurdity of its existence matched only by the indignity of its demise.
And far above, the stars look on - mute, pitiless witnesses to this cosmic joke.
So the planet becomes a punchline, in a universe with an inscrutable sense of humor.
Its only legacy a faint dusting of crushed petals, soon scattered by uncaring winds.
The futile flight of the petunias, another fleeting footnote in an absurdist reality.