What it’s like to stand here
GJ 581 b
- weight
- 0.89 g
- sun
- 7.6× wider
- sky
- deep orange
Illustration computed from this world’s measured and derived values, not a photograph.
Ice / gas giant
GJ 581 b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
What it's like to stand here
0.89 g
surface gravity (no solid surface · measured mass)
5.4 days
one year, in Earth time
7.6× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.1×
how high you could jump vs Earth
likely
likely tidally locked: probably eternal day on one side, night on the other
How long to get there · 20.5 ly away
Jet airliner
24.6 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
32,037 years
dies en route1000-yr cryo: fails
Light speed
21 years
arrives elderly
Warp 10
7 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.
Can you see it tonight? · observe
SMALL TELESCOPE NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from GJ 581 b's confirmed parameters, not a photograph.