Question

which type of mass does white hole have and white hole been observed?​

Answer 1

Answer:

They are truly fringe science. So far, no astronomical source has been successfully tagged a white hole. ... Unlike black holes, white holes cannot be continuously observed rather their effect can only be detected around the event itself.

Explanation:

Answer 2

Explanation:

In late May 2011, Physorg reported on a paper by Alon Retter and Shlomo Heller, suggesting that a known gamma-ray burst GRB 060614 might have been a white hole. A black hole, by definition, is a huge mass in a small space. Its gravity is powerful. Light cannot escape it.