A 'Jekyll And Hyde' Cosmic Mass Is Flipping Between Alter Egos

A 'Jekyll And Hyde' Cosmic Mass Is Flipping Between Alter Egos

A cosmic mass nearly 20,000 years away has transitioned identities in just over a decade, despite the process usually taking billions of years.

A cosmic mass nearly 20,000 years away has transitioned identities in just over a decade, despite the process usually taking billions of years. Observations by NASA's Chandra X-ray Observatory and the National Science Foundations Karl F. Jansky Very Large Ar… [+2463 chars]

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