
Artist impression. No real image of HD 189733 b exists yet.
exoplanet · 64.5 light years from Earth
HD 189733 b
A deep-blue hot Jupiter where molten-glass rain blows sideways in 8 000 km/h winds.
- Type
- Exoplanet
- Orbits
- HD 189733
- Distance
- 64.5 light years
- Diameter
- about 158,000 km (estimated)
- Constellation
- Vulpecula
- Discovered
- 2005
- Rotation
- Tidally locked: one side always faces its star
About HD 189733 b
- Hubble measured its colour in 2013: a deep cobalt blue.
- Silicate particles in its atmosphere may rain molten glass.
- Its winds are estimated at around 8,000 km/h.
Visit HD 189733 b in VR
In IKAREE, HD 189733 b is one of 31 destinations modelled in detail. Sit in the captain's chair, give the order and watch it grow on the main viewscreen. Then send a survey probe and ride its camera down, or ask your science officer what the sensors show.
How to get there
- CaptainHelm, set a course for HD 189733 b. Warp seven. Engage.
- Brooks · HelmCourse laid in for HD 189733 b. Warp seven. Engaging.
- CaptainScience, full analysis of HD 189733 b.
- Hart · ScienceRunning it now, Captain.



