3260) SUPERNOVA 20 Euro Silver Supernova Coin: A new Series from the Austrian Mint: Date of Coin issue: 15.05.2024:
First coin in "The Beauty of the
Universe series".
Its Unique shape illustrates the explosion of a supernova Made of
Sterling Silver Highest possible minting quality Comes in a case with a
certificate of authenticity Strictly limited mintage Description Super
attractive and spectacularly fast-selling, Supernova is the first of five
superbly shaped and coloured silver coins in The Beauty of the Universe series.
The perfect gift for all stargazers, the coin show that the universe is not only
full of dynamic and exciting events but also infinitely diverse and beautiful. .
A cosmic spectacle Supernova captures a phenomenon that was first
recorded just over a thousand years ago.
The year was 1054 and the Chinese and
Arabic astronomers who observed the phenomenon noted a brightness that increased
with remarkable speed. This was the result of something we now know to be caused
by the massive explosion of a star with a mass roughly ten times that of the sun
itself – a phenomenon we now know to be a supernova.
After millions of years,
the star in question had run out of hydrogen nuclei ‘fuel’ and, stabilised
throughout the duration of its life by the pressure created by the nuclear
fusion taking place within it, had collapsed under the effect of its own
gravity.
This occurred first in the outer layers before rebounding explosively.
Since then, the stellar remnant and wind pulsar, known as the Crab Nebula, has
been moving away from the former centre of the explosion at a speed of several
million kilometres per hour. At the centre of the Crab Nebula lies a small
rotating neutron star known as the Crab Pulsar.
Thanks to its magnetic field,
the Crab Pulsar emits large amounts of energy and illuminates the Crab Nebula.
In doing so, it creates the amazing cosmic spectacle of the supernova.
Coin
motif:
With a waved edge and a convex reverse, Supernova also has a concave
obverse that depicts the Crab Nebula, the remnant of the supernova observed in
1054, which is some 6,500 light years away from Earth and around 11x7 light
years in size. ‘NGC 1952’ refers to the catalogue designation of the Crab
Nebula.
In the centre of the coin, reference is also made to is the rapidly
rotating Crab Pulsar, a source of cosmic radiation.
The coin’s Reverse features
a coloured illustration of the Crab Nebula, based on an image taken by the
Hubble Space Telescope.
The specifications of this coin:
Specifications: Series: The Beauty of the Universe; Date of Issue: 15 May 2024 Coin Quality: Proof
Series: The Beauty of the Universe; Face Value: 20 Euro; Diameter: 34.00 mm; Coin
Design: Mag. Helmut Andexlinger Alloy: Silver Ag 925 Fine; Weight: 20.74 g / 0.67 oz; Total Weight: 22.42 g; Packaging: In white unprinted cardboard slipcase to protect the surface; Comes in a case complete with a numbered
certificate of authenticity and protective slipcase; Mintage (Proof) 30.000.
- Let
the cosmos into the living room. Remove the lid of the case, put the inlay in
place and one's very own compact little space exhibition is ready.
- As the coins
can be viewed from both sides, one can explore and marvel at every detail of the
astronomical phenomena depicted on them.
- The case is completely black, both
inside and out, so the amazingly shaped and coloured coins stand out in vivid
detail, while their certificates can be safely stored in the lid.
- This superb
series lets one look into the depths of outer space and embellishes one's earthly
existence with the beauty of the universe in the process.
- The collector case will be available for purchase again in September 2024.
The Beauty of the Universe Coin Series:
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ii) Lady Bug Beetles: A set of four Commemorative stamps brought out by India Post on 23.02.2017
Posts on "Wonderful World of Insects":
Runes:
The Tarot Card Collection:
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In the Service of Society Coin Series":
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