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Physics Mr. Kwok Chun Yeung
In 2019, the first ever real black hole image was
published.
A black hole is a celestial object so massive that
even light could not escape. Once any objects fall into
a black hole, they can never escape from it. No lights,
no other signals come from a black hole. Detecting a In 2019, the first ever real black hole image was
black hole was a “mission impossible” to scientists for published.
hundreds of years.
The scheme called Event Horizon Telescope (EHT)
The idea of black holes was first proposed by an made use of an array of telescopes spread across the
English astronomer John Michell in 1784, simply based Earth. Collecting data from different telescopes, analyzing
on the fact of gravitational pull. That was a preliminary data, simulating with computer, a black hole image was
hypothesis. The model of a black hole is still far from produced after hundreds of years of efforts of scientists
our current understanding. In 1915, Albert Einstein around the world.
developed the theory of general relativity. It gave the
world a new interpretation to gravity. As a consequence, When challenges arise, the solution is out there for
the physics of black holes was formulated by scientists in people with determination.
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the early 20 century. Throughout the 20 century, more
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predictions and analysis had been made about black From 35 to 40 , Sun Hoi had encountered various
holes. However, neither visiting nor directly observing a changes and challenges. The solution is out there. The
black hole was feasible to most scientists. future is in our hands. Anniversary cheers!
Black hole image (the center of galaxy M87)
Black hole image (the center of galaxy M87)
The image of the moon captured in astronomy camp. Astronomy camp (Februar y 2019)
The image of the moon captured in astronomy camp.
Astronomy camp (February 2019)
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