Albert Einstein first predicted black holes with his general theory of relativity. In 1916, Karl Schwarzschild then calculated the first modern solution of general relativity that would characterize a black hole.
Many years later, in 1967, popular belief tells that the term “black hole” was coined by American astronomer John Wheeler - though later accounts seem to discredit this theory....
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The first actual black hole was discovered 4 years later in 1971 and, today, we continue to be fascinated by these mysterious astral giants. A black hole is a region of space-time exhibiting such strong gravitational effects that nothing - not even particles or electromagnetic radiation such as light - can escape its pull.
This innovative 1oz coin features swirling space debris with a black hole centre. Only 999 coins will be released worldwide!
Mint | CIT |
---|---|
Year | 2018 |
Denomination | $1 |
Metal Type | Silver |
Weight (g) | 28.349 |
Purity (%) | 99.9 |
Diameter (mm) | 40.00 |
Mintage | 10,000 |