Physical Journey across the Galaxy

The view into the sky reveals fantastic pictures of the galaxies. What do we know about
the Universe? Which story is reported by the space telescopes? Today astronomers
are able to watch a massive black hole in the center of our Milky Way. What about
this discovery for which the Nobel Prize was awarded in the year 2020? Black holes
and the Big Bang are very mysterious. If you wish to get an answer, start the journey
into this book. The physical journey tells about the natural laws which create the
galaxies and the stars.
The surprising question is: Do we live in a cosmic black hole?