What is the most rarest thing in the universe?

"At" stands for astatine
astatine
Astatine is a chemical element with the symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only as the decay product of various heavier elements. All of astatine's isotopes are short-lived; the most stable is astatine-210, with a half-life of 8.1 hours.
https://en.wikipedia.org › wiki › Astatine
. It is an element with 85 protons packed into its nucleus, thus the atomic number "85" ... The problem is, there's something about 85 protons in a tight space that nature doesn't enjoy. Almost as soon as they squeeze together bits of nuclear material get spat out, or get added, and poof!
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What are the rare things in the universe?

  • 'Oumuamua.
  • The Red Rectangle Nebula.
  • Planet Nine.
  • Galaxy X.
  • Elst-Pizarro.
  • Tabby's Star.
  • FRB 121102.
  • Hoag's Object.
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What is the most rarest thing in the galaxy?

Astronomers recently mapped the rarest type of galaxy ever found: an elliptical galaxy sporting rings of young stars. Most galaxies, including our own Milky Way, are spiral or elliptical. But this recently mapped galaxy, called PGC 1000714, is unique.
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What is the most rare objects in the world?

The world's rarest gem is believed to be painite. The painite is orangish or reddish brown and was first discovered in Burma in the '50s. Within the last couple of years, the source of the two original painite crystals was discovered and now a few hundred faceted stones exist.
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What is the rarest matter?

Astatine is the rarest element on Earth; only approximately 25 grams occur naturally on the planet at any given time. Its existence was predicted in the 1800s, but was finally discovered about 70 years later.
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Probability Comparison: Rarest Things in the Universe



What is the rarest element in space?

Astatine is the rarest naturally occurring element.
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What is a dead galaxy?

The “dead” moniker describes the fact that these galaxies no longer have the necessary cold hydrogen gas to make stars. Without the gas, there's no clumping of matter that eventually leads to the formation of a star.
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How rare is gold in the universe?

Compared to Earth's total size, that's not much gold. There is actually six times more platinum in our planet's core, which contains about 1 part per million of gold. Gold is, in fact, quite rare.
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What is the strangest thing in space?

Four of the Weirdest Objects in Space
  • Black Hole Sagittarius A*: Super-Close but Strangely Quiet. Until recently, black holes seemed to come in only two sizes: either small remnants of collapsed stars or gargantuan beasts with masses of millions or even billions of suns. ...
  • Pulsar Planets: Not Even A Nice Place to Visit.
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Do white holes exist?

White holes cannot exist, since they violate the second law of thermodynamics. General Relativity is time symmetric. It does not know about the second law of thermodynamics, and it does not know about which way cause and effect go.
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Can a wormhole exist?

In the early days of research on black holes, before they even had that name, physicists did not yet know if these bizarre objects existed in the real world.
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How cold is space?

The Cosmic Background Explorer (COBE) satellite has refined temperature measurements taken way back in 1964. According to data from the Cosmic Background Explorer (COBE) satellite, the temperature of space is 2.725K (2.725 degrees above absolute zero).
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What is the scariest thing found in space?

Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole. Black holes – regions in space where gravity is so strong that nothing can escape – are a hot topic in the news these days.
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What does space smell like?

In a video shared by Eau de Space, NASA astronaut Tony Antonelli says space smells “strong and unique,” unlike anything he has ever smelled on Earth. According to Eau de Space, others have described the smell as “seared steak, raspberries, and rum,” smokey and bitter.
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What is in a black hole?

A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes.
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Does Moon have gold?

Digging a little deeper than the Moon's crust, scientists have discovered that the Moon does indeed have a number of precious metals such as gold and silver.
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Did diamonds come from space?

Diamonds are common in highly shocked ureilites, and most are thought to have been formed by either the shock of the impact with Earth or with other bodies in space. However, much larger diamonds were found in fragments of a meteorite called Almahata Sitta, found in the Nubian desert of Sudan.
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Can humans travel to another galaxy?

The technology required to travel between galaxies is far beyond humanity's present capabilities, and currently only the subject of speculation, hypothesis, and science fiction. However, theoretically speaking, there is nothing to conclusively indicate that intergalactic travel is impossible.
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Can a galaxy be destroyed?

Stars will be thrown out of the galaxy, others will be destroyed as they crash into the merging supermassive black holes. And the delicate spiral structure of both galaxies will be destroyed as they become a single, giant, elliptical galaxy.
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Is the galaxy dying?

Actually, the Milky Way may have died at least once around 7 billion years ago; it revived after a period of 2 billion years, during which a whole bunch of stars died, going supernova and ejecting their outer envelopes into space, filling the galaxy with material for making new stars.
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Is Wood rare than diamonds?

In the whole universe, wood is rarer than diamonds. Trees can give you oxygen and it is one of the major member of our ecosystem and after they die they gives us wood. Yes, In the whole universe, wood is rarer than diamonds.
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What is the coldest thing in the universe?

  • At a chilly –459.67 degrees Fahrenheit (–273.15 degrees Celsius), the Boomerang Nebula is the coldest place in the universe (Image credit: ESA/NASA)
  • The nebula gets its name thanks to its shape. ...
  • The Atacama Large Millimeter/submillimeter Array (ALMA) confirmed the temperature of the coldest place in the universe. (
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What is the hardest thing in universe?

Summary: A team of scientists has calculated the strength of the material deep inside the crust of neutron stars and found it to be the strongest known material in the universe.
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Why is space black?

Because space is a near-perfect vacuum — meaning it has exceedingly few particles — there's virtually nothing in the space between stars and planets to scatter light to our eyes. And with no light reaching the eyes, they see black.
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