The loudest events in the universe are starquakes. The largest ever recorded was in 2004, the star Magnetar SGR 1806-20 adjusted itself with the force equal to 22.7 on the Richter scale. It happened 50,000 light years away from Earth, but if it would have been 10 light years away, it would have caused a mass extinction of all animal and plant species on earth.
27. There are more variations in the game of chess than there are atoms in the known universe.
28. Bismuth has a half-life of more than a billion times the estimated age of the universe.
29. There is a theory proposed by many physicists that our universe may exist inside a black hole and that every black hole in our Universe may contain a totally new Universe.
30. It is theorized that there may hypothetical objects that behave just the opposite of a black hole called a white hole. They cannot be entered from the outside, but matter and light can escape. The Big Bang might have been a white hole itself, and big bangs possibly occur at the center of all black holes.
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Theoretically, if astronauts traveled in a spaceship at a constant 1 g of acceleration, they could travel the entire universe in their own lifetime, while billions of years would have passed by on earth.
32. There is a theory that our universe has collided with other universes in the past and we can view its scars by studying the night sky
33. Only about 0.0000000000000000000042% of the universe contains any matter. The universe is a pretty empty place.
34. Some scientists theorize that space and time started as one dimension each (basically a straight line). As it cooled, the universe warped into the 2nd-4th dimensions. Some think that the Universe will eventually be promoted again, to a five-dimensional state.
35. Even though the Big Bang happened 13.7 billion years ago, and no object can move faster than the speed of light, the diameter of the known universe is at least 46 billion light years. It is because the expansion of the universe itself can occur faster than the speed of light. Particles cannot travel faster than the speed of light since if a particle has mass then it takes an infinite amount of energy to pass the speed of light. Space-time has no such limitation.
The coldest temperature ever recorded in the known universe was in Massachusetts, MIT, where scientists attained temperatures 810 trillionths of a degree Fahrenheit above the absolute zero (-459.67°F).
37. The universe has existed for just .00000000000000000000000000000000000000000000000000000000000000000000000000000000000000001377% of its expected lifetime
38. Before the Hubble Space Telescope was launched, scientists were convinced that the Universe was no longer expanding. Not only is the Universe still expanding, but it is doing so at the rate of 74 kilometers (48 miles) per second.
39. In approximately 1 Googol (10^100) years, there will be no life, stars, or even black holes left in the universe; only subatomic particles with no way to interact will remain in the ever expanding universe.
40. A popular homeopathic treatment for the flu is a 200C dilution of duck liver, marketed under the name Oscillococcinum. As there are only about 1080 atoms in the entire observable universe, a dilution of one molecule in the observable universe would be about 40C. Oscillococcinum would thus require 10320 more universes to simply have one molecule in the final substance.
The JWST telescope planned to be launched in 2018 is 100X more powerful than Hubble and will be able to see the edge of the observable universe.
42. Scientists believed that during the Inflationary Epoch, roughly 10-36 seconds after the Big Bang, the universe expanded by a factor of at least 1026 or 100,000,000,000,000,000,000,000,000, becoming the size of a grapefruit.
43. Light in itself isn't special. According to Einstein, the fastest speed reachable in the universe is 300 million meters/second. It just happens that light is the only thing we have detected that travels without limitations in a vacuum, which is why we associate the speed limit of the universe with it.
44. The Higgs boson is nicknamed 'the God particle' not because of its fundamental role in the universe, but because of Leon Lederman, a theoretical physicist who wrote a book about it in 1993, called it the 'Goddamn particle', as it was so difficult to observe.
45. The theory of an infinite universe was first proposed by a Greek philosopher named Archytas of Tarentum ~400 B.C., reasoning that even if he did reach the end of the universe he would still be able to extend his staff beyond the boundary.
In 1054 a supernova in the Constellation Taurus was observed that was bright enough to remain visible during daylight for perhaps as long as 23 days. The remnant of the supernova, which consists of debris ejected during the explosion, is now known as the Crab Nebula.
47. Our own galaxy, The Milky Way has other smaller galaxies known satellites galaxies that orbit around it.
48. These interstellar objects that are smaller than galaxies have been named dwarf galaxies that have several billion stars and there are even smaller objects called hobbit galaxies.
49. The Andromeda Galaxy is not the closest galaxy to ours, and in fact, there is one 100 times closer called Canis Major Dwarf Galaxy that is 42,000 light years far from the galactic center and it is a satellite dwarf of the Milky Way.
50. The Milky Way is currently in the middle of absorbing another smaller galaxy, the Sagittarius Dwarf Elliptical Galaxy, one of our satellite galaxies.