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1Black holes

According to the string theory, black holes have the potential to be shaped like rings, helices, or even like the planet Saturn, but no one actually knows their true shape.

2. The loudest events in the universe are starquakes. The largest ever recorded was in 2004, when 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.

3. A 'Googolplex' is such a large number, that if you were to write a '1', followed by a '0' on every single hydrogen particle in the known universe, you would not even get close to writing out the full number.

4. 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).

5. Plasma is actually the most common phase of matter in the universe, despite being rare on Earth. The Sun, the stars, and most of the interstellar matter in the universe are comprised of plasma.

6Lights of galaxies

The light of galaxies greater than 14.7 billion light years away will never reach us because those parts of the universe are receding away from us faster than the light speed.

7. Graham’s number is a number so large that the observable universe is far too small to contain an ordinary digital representation of Graham’s number, assuming that each digit occupies one Planck volume (smallest meaningful measurement).

8. The Pillars of Creation, a nebula 7,000 light years away, was destroyed by supernova 6,000 years ago. In a thousand years, we will see it destroyed as it takes 7,000 years for the light to reach Earth.

9. A region near a black hole is called a photon sphere where the gravitational pull is so strong that light photons orbit it, meaning if you were at that point and turned to the side, you could see the back of your own head.

10. A neutron star is so dense that if an object was dropped from one meter above the star’s surface, it would hit the surface at a speed of 7.2 million km per hour.

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11Pitch black planets

Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it is possible that some of these rogue plants exist in pitch black darkness and can also support life.

12. The average color of the universe is a beige-ish white and therefore the color is named "Cosmic Latte"

13. The common spiral depiction of the Milky Way Galaxy used in media is actually another galaxy: Messier 74. Because we dwell within the Milky Way Galaxy, it is not yet possible for us to take a picture of its spiral structure from the outside.

14. Galileo was placed under house arrest by The Holy Office until his death in 1642 for defending his views about the Earth not being the center of the universe. The Vatican formally acknowledged they were wrong and Galileo was right in 1992.

15. Ancient Egyptians believed that the universe was created due to an ejaculation and Egyptian Pharaohs were required to masturbate ceremonially into the Nile.

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16z8 GND 5296.

The oldest and therefore furthest known galaxy we have discovered is over 13.7 billion light years away. It's called z8_GND_5296. The light has taken so long to reach us that the star which collapsed to form the gas that Sun is made out of wasn't "born" yet. Galaxies this far away from help astronomers understand the very early universe and how it has evolved over time. Due to the expansion of space, the distant galaxy pictured here technically wouldn't be there anymore and would actually be “currently 13.1 Giga light-years away from us. or 4.0×109 pc."

17. Over time a white dwarf will cool into a black dwarf. Given the length of time it takes for this to happen (10s-100s of billion years) and because our Universe’ age (13.8 billion years old), none are expected to exist yet.

18. Our current model of physics only works for 4% of the matter/energy in the universe.

19. The edge of the observable universe is ~46 billion light years away despite the universe being only ~13.8 billion years old.

20. If you watched an object slip into a black hole, no matter how long you watched, you would never actually see the object enter it due to time dilation.


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.

22. It is theorized that there may be 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.

23. On May 20, 1964, two astronomers named Arno Penzias and Robert Wilson working at a New Jersey laboratory turned a giant microwave antenna toward what they thought would be a quiet part of the Milky Way. When they heard static, they thought they were hearing interference from pigeon poop on their antennae. They were actually hearing microwave background remains of the beginnings of the universe.

24. The largest galaxy in the observable universe is an elliptical galaxy, IC 1101. It has 100 trillion stars and is 6 million light years across. By comparison, the Milky Way has a mere 100 billion stars and is 120,000 light years across.

25. Thanks to the experiments conducted in CERN, we now know that every atom in the Universe could be undone in an instant by a simple, unpredictable and an unstoppable event, i.e., a quantum tunnel causing a phase-shift in the Higgs field.


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