Throughout the history, people looked at and observed
the sky both at night and in the daylight. This observation got more
quantitative meaning thanks to the invention of the telescope.
Galileo, Copernicus, and other many people who
observed the space and who stated that the Earth was not the center of the
universe and that it was round, were attacked by people and punished by the inquisition.
Thanks to both the observation of scholars and the
widespread use of tools and instruments, it was confirmed that space was not
such a small place at all, and it contained many celestial bodies. Some of
these celestial bodies are stars, planets, satellites, comets, and asteroids. Many more celestial bodies are moving in the space
vacuum.
It is predicted that even in our galaxy, the Milky Way Galaxy, contains
more than 100 billions of stars. It is also predicted that there are 100
billions of galaxies like our galaxy in space.
For us, the most known celestial body is the sun. The
Sun is one of the stars in the Milky Way Galaxy which illuminates, warms us and
enables life on Earth. The Sun, which is estimated to be about 5 billion
years old, is estimated to have around 5 billion years more lifetime. But what will
happen when the Sun dies? It will collapse inside and become a white dwarf. If
the Sun were larger, it would become a black hole when it died.
Black holes are very dense clumps of mass from which
even light cannot escape. Even time becomes stagnant inside a black hole, and
no matter, not even light, can escape from the black hole, so they are
difficult to detect.
There are hypotheses that black holes are wormholes,
and their ends open into white holes. But white holes
have different rules and different realms.
Just as it is not possible to exceed the speed of
light in our universe, it does not seem possible to go below the speed of light
in white holes.
It is estimated that the existence of white holes,
which is a hypothesis for now, can be solved as technology develops. Our duty
is to work and produce in the light of science.
Just as there are 100 billions of galaxies, it is
estimated that there are hundreds of billions of galaxies in this universe
where white hole are predicted to open.
I hope one day we can find our way to these universes.
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