Hubble image archive

Formation of a Fast-Rotating Star

This diagram shows one theory for the creation of the fastest spinning star found to date. The more massive star was once a member of a binary pair. Its rapidly aging companion star evolves and expands, spilling material onto the less evolved star. The star robbed angular momentu...

Date
Jan 1, 2011
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2011-39-2937-image
By

This diagram shows one theory for the creation of the fastest spinning star found to date. The more massive star was once a member of a binary pair. Its rapidly aging companion star evolves and expands, spilling material onto the less evolved star. The star robbed angular momentum from the donor star and spun up to a rotation speed of 1 million miles per hour. The donor star explodes as a supernova and propelled the surviving star away.

Credits

NASA, ESA, and A. Feild (STScI)

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