Do black holes ever form in the observer's reference frame?

[Symmetry777]

Here is a credible source:

https://www.youtube.com/watch?v=ZDxFjq-scvU

http://www.mpe.mpg.de/ir/GC

Reinhard Genzel:

Studied physics at the University of Freiburg and the University of Bonn where he did his PhD in 1978[2] and, in the same year, his PhD thesis on radioastronomy at the Max Planck Institute for Radio Astronomy.[2] He then worked at the [FONT=Times New Roman]Harvard-Smithsonian Center for Astrophysics in [URL='http://en.wikipedia.org/wiki/Cambridge_(Massachusetts)'][FONT=Times New Roman]Cambridge[/URL][FONT=Times New Roman], [URL='http://en.wikipedia.org/wiki/Massachusetts'][FONT=Times New Roman]Massachusetts[/URL][FONT=Times New Roman]. He then was a [URL='http://en.wikipedia.org/wiki/Miller_Fellow'][FONT=Times New Roman]Miller Fellow[/URL][FONT=Times New Roman] from 1980 until 1982, and also Associate and Full Professor in the Department of Physics at the [URL='http://en.wikipedia.org/wiki/University_of_California,_Berkeley'][FONT=Times New Roman]University of California, Berkeley[/URL][FONT=Times New Roman] from 1981. He became Scientific Member of the [URL='http://en.wikipedia.org/wiki/Max-Planck-Gesellschaft'][FONT=Times New Roman]Max-Planck-Gesellschaft[/URL][FONT=Times New Roman] in 1986, and director at the [URL='http://en.wikipedia.org/wiki/Max-Planck-Institut_f%C3%BCr_extraterrestrische_Physik'][FONT=Times New Roman]Max Planck Institute for Extraterrestrial Physics[/URL][FONT=Times New Roman] in [URL='http://en.wikipedia.org/wiki/Garching'][FONT=Times New Roman]Garching[/URL][FONT=Times New Roman] and lectured at [URL='http://en.wikipedia.org/wiki/Ludwig-Maximilians-Universit%C3%A4t_M%C3%BCnchen'][FONT=Times New Roman]Ludwig-Maximilians-Universität München[/URL][FONT=Times New Roman] where he has been honorary Professor since 1988. Since 1999 he has also a joint appointment as [URL='http://en.wikipedia.org/wiki/Full_Professor'][FONT=Times New Roman]Full Professor[/URL][FONT=Times New Roman] at the [URL='http://en.wikipedia.org/wiki/University_of_California,_Berkeley'][FONT=Times New Roman]University of California, Berkeley[/URL][FONT=Times New Roman].[URL='http://en.wikipedia.org/wiki/Reinhard_Genzel#cite_note-CV-2'][FONT=Times New Roman][2][/URL][FONT=Times New Roman] He also sits on the selection committee for the Astronomy award, given under the auspices of the [URL='http://en.wikipedia.org/wiki/Shaw_Prize'][FONT=Times New Roman]Shaw Prize[/URL][FONT=Times New Roman]. Genzel is fluent in [URL='http://en.wikipedia.org/wiki/German_language'][FONT=Times New Roman]German[/URL][FONT=Times New Roman] and [URL='http://en.wikipedia.org/wiki/English_language'][FONT=Times New Roman]English[/URL][FONT=Times New Roman].

Work
Reinhard Genzel studies [URL='http://en.wikipedia.org/wiki/Infrared_astronomy'][FONT=Times New Roman]infrared-[/URL][FONT=Times New Roman] and [URL='http://en.wikipedia.org/wiki/Submillimetre_astronomy'][FONT=Times New Roman]submillimetre astronomy[/URL][FONT=Times New Roman], and [U]he and his group are active in developing front-line ground- and space-based instrumentation for their astronomy research[/U]. He and his group were the first to track the motions of stars at the centre of the [URL='http://en.wikipedia.org/wiki/Milky_Way'][FONT=Times New Roman]Milky Way[/URL][FONT=Times New Roman] and show that they were orbiting a very massive object, probably a [URL='http://en.wikipedia.org/wiki/Black_hole'][FONT=Times New Roman]black hole[/URL][FONT=Times New Roman].[URL='http://en.wikipedia.org/wiki/Reinhard_Genzel#cite_note-3'][FONT=Times New Roman][3][/URL][FONT=Times New Roman] Genzel is also active in studies of the formation and evolution of galaxies.