- weight
- 9.71 g
- sun
- 0.00× as wide
- sky
- deep orange
Illustration computed from this world’s measured and derived values, not a photograph.
Ross 458 c
Ross 458 c is a confirmed gas-giant exoplanet 37.5 ly from Earth in the constellation Virgo, discovered in 2010 by Las Campanas Observatory.
Imaging: photographed directly, as a faint point of light beside its star.
Ross 458 c is a giant ball of gas with no solid surface to stand on; you would simply sink into ever-thicker cloud. Its orange dwarf looks 0.00× as wide as ours, bathing the cloud tops in deep orange light. At an estimated -269°C (-452°F) it is colder than almost anywhere in the solar system.
How closely this world matches Earth in size and warmth, from 0 to 1 (Earth = 1.0). Computed by gravityfinder. See every world ranked →
What these mean: surface gravity · tidal locking · equilibrium temperature · Earth similarity
If your children grew up herea playful thought experiment
There is no ground here to grow up on, only bottomless sky. A child could never stand, walk, or even fall to a surface, because there isn't one. Under 9.7 times Earth's gravity and pressure that only climbs the deeper you go, anything built for this world would not look human at all: picture something closer to a deep-sea creature than a person, broad and buoyant, drifting through the cloud decks with no need for legs and no floor to land on.
- Body plan
- Floating, not upright
- With no surface and no fixed up or down, a skeleton built for standing would be useless; a drifting, gas-filled body would not.
- Build
- Broad and pressure-hardened
- Pressure rises without limit toward the interior, so anything alive would have to be built like a deep-sea animal, not a land one.
A playful thought experiment from this world’s gravity, not a prediction about any real person. No human has ever grown up off Earth, so no one truly knows; the direction (taller in low gravity, shorter and stockier in high) follows how growing bodies respond to weight.
Hear how a voice sounds herea computed acoustic demo
Your voice would sound a thin, helium-fast squeak.
There is no surface to stand on, and we have no temperature for this world, so its cloud-top acoustics cannot be modelled. In hydrogen-helium air sound races, so a voice would leap to a thin, almost cartoonish squeak.
- !There is nowhere to land: no ground, no deck, only cloud that thickens into crushing pressure.
- !Earth-similarity index 0.00: this world has almost nothing in common with our own.
A playful read of Ross 458 c’s measured and computed values, not a real advisory.
How long to get there · 37.5 ly away
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
What is the gravity on Ross 458 c?
Ross 458 c is a gas giant with no solid surface to stand on. At its cloud tops, gravity pulls about 9.7 times as hard as Earth's.
How far is Ross 458 c from Earth?
Ross 458 c lies about 37.5 light-years from Earth.
How long would it take to get to Ross 458 c?
At the speed of NASA's Parker Solar Probe, the fastest craft ever built, the journey would take about 58,546 years.
How hot is Ross 458 c?
Ross 458 c's equilibrium temperature, the balance it reaches from its star's light alone before any greenhouse warming, is about -269°C (-452°F).
Illustration generated from Ross 458 c's confirmed parameters, not a photograph.