A giant star without complex life; maybe not a great target for SETI, but for human colonization? It could be paradise.

Let's explore one scenario centered on a perfect setup for skiing and winter sports at my #blog: https://www.adamasnemesis.com/2025/09/24/winter-sports-under-twin-suns-worldbuilding-capella/

This post's featured image is a vista I caught at Solitude Mountain, Utah last winter (not twin suns, but it's the closest I've got!).

#worldbuilding #scifi #sciencefiction #planets #atmospheres #alienplanets #alienmoons #alienlife #climate

Hard numbers for my planet Cerberus, including orbits, tidal locking, temperatures, and even the possibility of eclipses...

Read all about it at my #blog: https://www.adamasnemesis.com/2025/05/08/more-thoughts-on-my-planet-cerberus/

This post's featured image is "Girl day trader in space" by yours truly (matches the vibe visually, so why not?).

#worldbuilding #scifi #sciencefiction #solarsystems #planets #alienplanets #Sirius #writer #author

Rin knew civilisation almost a million years before Earth. Its people, philosophers who value sharing knowledge.

One of three large moons orbiting a gas giant with a single orange sun, small indigo seas dot this world. Rolling hills are home to blue webbed vines, rippling windswept grasslands, and wandering herbivores. Ornate, intricate cities reflect amber sunlight.

Life here evolved from viruses. To humans, it's remarkably familiar and yet extremely alien.

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#Microfiction #AlienPlanets

The sky here is always full of rainbows. Watery geysers spray water high into this world's atmosphere, forming trillions of tiny ice crystals. Three white dwarf suns shine in the sky, tiny but blindingly bright. Their light scatters through the icy atmosphere with its iridescent clouds, as colourful aurorae dance above.

It's a cold little planet. Some come here to mine for water or to find a new home in the dome cities. Some come simply to admire the beauty.

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#Microfiction #AlienPlanets

This planet is a corpse. A ball of dense rock and metal, the former core of a long ago evaporated gas giant. Its two suns, stellar cinders, a white dwarf and a neutron star casting faint but deadly light onto its surface. Landscapes of huge crystals glint and sparkle in the gloom.

Everything is dead here. Or so it appears. Something orbits this planet. Something huge and ancient, neither alive nor truly dead. Its name? Its origin? No one in the galaxy knows.

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#Microfiction #AlienPlanets

This planet doesn't yet have a name. It's just 100 million years old. For a planet, it's still a newborn.

An atmosphere of mist and hot water vapour shrouds this world. Its surface is still a hot ocean of molten rock, slowly cooling and beginning to harden into a crust. Soon, it will rain for millennia.

After the skies finish falling, this planet will have warm, shallow oceans. Someday, in billions of years, it might be a lot like Earth. Perhaps. Time will tell.

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#Microfiction #AlienPlanets

Swirling bands of blue and violet cloud mark the turbulent deep atmosphere of the gas giant, with its violent winds. Above the storms, white clouds drift lazily. Up here, it's calm.

Buoyant, balloon-like creatures wander the clouds. Some grow together, making floating islands which support whole ecosystems.

The huge people of this world can see and speak in radio waves. They discuss, philosophise, and watch the sky, seeing colours humans have no names for.

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#Microfiction #AlienPlanets

Thunder rumbled through rocky, rainbeaten valleys as lightning rippled across clouds. Lightning flashes were the most light this planet's surface ever saw. The skies here were always heavy. The winds never eased. The storm never passed.

Humans had named this world Iolanthe, but most simply called it Ion. Planetfallers here lived in dome towns, flexing in the wind like tents to harvest energy. Hot chocolate and warm blankets were very popular on this planet.

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#Microfiction #AlienPlanets

In the midst of a star cluster, the planet Omala is bathed constantly in warm light. Every second of every day is summer. Huge trees tower over the world, growing tall in the low gravity. Feral plants wander the land and flit through the sky like bees, gleefully soaking up the permanent daylight. The breeze smells of cinnamon and vanilla.

Hundreds of suns illuminate glassy forest metropolises. In the sky, amid the bright stars, orbital cities glint and sparkle.

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#Microfiction #AlienPlanets

Most planets orbit stars, but not Thrcc. In its skies, a black hole watches, encircled by a searingly bright disk of superheated matter. This dark sun is old. Almost as old as the galaxy itself.

The swamps of this world and its twilight skies are home to a cautious and reserved people. Their every action, calculated and deliberate. Never rushed.

The black hole shares their philosophy. Destined to outlive every star in the sky, it has no need to hurry either.

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#Microfiction #AlienPlanets