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Halloween

Five Planets You Wouldn’t Want to Spend Halloween On

15 October 2026 · 4 min read

Somewhere to spend Halloween? A creaky old house feels fairly manageable once you’ve looked through the Space Estate catalogue.

For this seasonal tour, we’ve picked five fictional worlds with particularly unsettling stories. There are no confirmed ghosts on any of them. Several have much bigger questions to answer.

Imagine you have to spend one night on one of these planets. Which would you choose?

1. Dyven: the place that feels wrong

Common · Rust Plains · 1 moon · 31-hour days

Dyven’s deep burgundy landscape comes from iron oxide in the soil. That part is easy enough to explain. The surveying teams who consistently report feeling uneasy are harder to account for.

The catalogue offers no monster, abandoned settlement or helpful explanation. Just an uncomfortable feeling that keeps coming up.

Imagine stepping out onto those rust-coloured plains. Your equipment seems fine. The landscape is quiet. Then someone asks whether anyone else wants to head back to the ship.

You were hoping you wouldn’t be the first to say it.

Halloween verdict: You’ll spend the evening telling everyone you’re absolutely fine.

2. Phelvex: don’t look under the ice

Uncommon · Subsurface Ocean · No moons · 45-hour days

Phelvex hides a liquid ocean beneath an ice shell 30 kilometres thick. What lives in that dark water remains unknown.

That is the entire problem.

The surface gives you very little to look at, while a whole ocean sits far below your boots. You can imagine the expedition briefing: plenty of information about the ice, rather less about whatever might be underneath it.

For a Halloween film, you’d only need to add a research station and someone who insists the drilling should continue. We’d be supporting the person who wants to leave.

Halloween verdict: Stay on the surface. Let somebody else investigate the interesting reading.

3. Stelvex: something missing in the middle

Rare · Hollow World · 2 moons · 44-hour days

Stelvex has an unusually low density, suggesting a partially hollow interior. What fills that space remains unresolved.

A planet is a substantial thing to find a gap inside.

The sensible response is to gather more data. The Halloween response is to imagine standing in a quiet room while a scanner draws an enormous empty space underneath you.

We’re not claiming there’s anything living down there. The catalogue doesn’t say. It also doesn’t provide the reassuring explanation you might want before settling in for the evening.

Perhaps the real test is whether you can resist going to look.

Halloween verdict: An excellent destination for someone who has never once shouted “don’t go in there” at a screen.

4. Felnoth: who built that?

Legendary · Ancient Artefact · No moons · 52-hour days

Felnoth’s surface has geometric formations too regular to be geological. Their estimated age exceeds that of the solar system.

You could spend a long time looking at those two facts.

Something about the landscape suggests deliberate design, yet its age makes the obvious explanation difficult. The catalogue leaves the builders and purpose unanswered.

Picture arriving as the light fades and noticing the same precise shapes repeated across the terrain. You have enough time to recognise a pattern. Working out what it means might take rather longer.

For anyone who enjoys ancient mysteries in their science fiction, Felnoth makes a compelling stop. We’d still prefer to admire it from orbit.

Halloween verdict: Take photographs. Avoid pressing anything that looks like a button.

5. Jornveth: nobody leaves the light on

Legendary · End World · No moons · No day

Jornveth is the furthest catalogued world from any star. It drifts alone in deep space, cold and dark.

Its story describes it as somehow serene. There’s something appealing about that much quiet, until you start imagining the view.

No nearby sunrise to wait for. No moon overhead. Just a world travelling through the darkness, far from the warmth of a star.

You don’t need to imagine anything chasing you here. The distance is unsettling enough.

Of all five worlds, this might be the one where you keep checking that your ship is exactly where you left it.

Halloween verdict: Bring a torch. Check the batteries before you set off.

Which world gets your vote?

Would you brave Dyven’s uneasy plains, stay above Phelvex’s hidden ocean, investigate Stelvex, study Felnoth’s formations or sit out the darkness on Jornveth?

If someone you know loves eerie sci-fi, a personalised Space Estate certificate makes a fitting little Halloween gift. Your planet is randomly assigned from the catalogue, so these five are a showcase rather than a choice of destinations.

Space Estate planets and their stories are fictional. Certificates are novelty keepsakes representing symbolic ownership.

Explore the catalogue, find your favourites, and see which corner of the cosmos finds you.

View a sample certificate, or try our five strangest planets for another curious detour.

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