Haumea has a rotation period of about 4 hours. This is faster than any other known body larger than 100 km in diameter. Scientists believe this rapid rotation was caused by a long ago collision that also created its moons.
The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC.
The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Responsible NASA Official: Phil Newman