10 scientific phenomena, without which you would not have been
Every day we have a choice: to take his life, his existence, freedom and moments for granted, or to express appreciation and gratitude for the good things that surround us. The main thing that unites us - that we are all people, we live in one world and one in the universe - never deserves the respect it deserves. Here and now we can exist and persist as long as allows us to let go of our lifetime. It just is. Many times in the history of the universe the laws of nature in the right place at the right time, to ensure that our existence and let us have a look into the past to 13, 8 billion years old, with gratitude in my heart. Before you ten events that have made this possible, and ten reasons to say thank you, Ethan Siegel picked physicist.
Say thank you to the Big Bang
One day in the history of the universe was the day for which the "yesterday" does not exist when expands, cools, filled with matter and radiation in the universe simply did not exist. The end of all that has happened before the Big Bang (such as cosmic inflation), gave rise to the universe of particles, antiparticles, radiation and all the ingredients necessary for our existence. Without the Big Bang one of us would not.
Say thank asymmetric universe
There are many important symmetries, but if it were perfectly symmetrical, it would be in the world and absolutely equal amount of matter and antimatter. As the universe cooled and expanded, they would mutually destroy, annihilate, leaving only scattered single particles and antiparticles. But instead we have a universe full of matter and not antimatter, and this is important. How did this asymmetry remains a mystery, although with a variety of possible outcomes. However, the asymmetry of the universe, certainly, is what has allowed us to exist.
Say thank atoms
That man existed, required heavy nuclei in a variety of possible, stable configurations. In addition, we need light, stable and oppositely charged particles (electrons) to form the building blocks for everything in our world. The particles in our universe cools, contracting and binding form the atoms, which are then combined and accumulate together to create a structure that is our universe today.
Say thank gravitational forces ...
... that combine massive chunks of matter. On a large scale, they form galactic clusters, and great space webs; on smaller - gas clouds, stars and even planets. This gravitational force - the long-range and universal power of all, that it is allowed to form our house and everything in it is. Without gravity, there would be no peace.
Say thank nuclear fusion ...
... which takes place in the cores of stars. It not only illuminates the universe, filling it with high-energy radiation, but also ensures the existence of the periodic table of elements. The most massive stars which are formed in the molecular gas clouds employ gravity by burning hydrogen in helium, helium gas to carbon, and further in the heavier elements such as oxygen, neon, magnesium, sulfur, silicon, and even iron, cobalt and nickel in their nuclei . Most heavy elements in the universe, in particular oxygen and carbon, formed in this way.
Say thank cosmic cataclysms
Namely supernovae and mergers of neutron stars. These incredible agony of the most massive stars of the universe leads us to the periodic table. The most massive stars explode in a few million years, and the subsequent synthesis destroys the star and blows the outer layers, filled with heavy elements into interstellar space. Meanwhile, their bodies, which can become neutron stars produce most of the heavy elements in our stable periodic table. While the galaxy is massive enough to hold this stuff - again say thank you once again of gravity - heavy elements incorporated into future generations of stars and solar systems.
Say thank processing space
Say thank you, we had enough time and enough generations of stars that gravity could bring them back into molecular clouds that are left in our galaxy and collapse to form new stars. These star-forming nebula, full of recycled material from a mixture of pristine elements and stellar corpses, give rise not only stars, but also the protoplanetary disks that form gas-giant worlds and solid, so well known to us. If this material is ejected as in very young galaxies, or even in our Milky Way, if we did not have dark matter, there would be no solar systems with solid planets.
Say thank cosmic coincidences that made the Earth as possible
Through 9, 2 billion after the Big Bang around young, newborn star has formed a solid peace with the right ingredients for life. These ingredients include not only carbon, oxygen, nitrogen and hydrogen, but also complex organic molecule and a large amount of liquid water. Our solar system started with four potentially suitable for life worlds - Venus, Earth, and Mars Teyi - Teyi but no more, because it collided with Earth. Venus - a hell of a planet destroyed by the greenhouse effect, Mars and almost completely lost its atmosphere and vymerz. There was only earth - moist, living world.
Say thank you to a unique evolutionary path of our world
To get to today, we have to think about all the incredible success of our world. Say thank evolution; say thank you life durability and the fact that she has gone through all the mass extinctions that relate to our world. Say thank you to plants, animals and fungi and casual interactions that direct our lives in the way that she chose. Say thank you the whole history of your DNA and pedigree, without them you would not have a chance to exist. And finally ...
Say thank you to the present day
We are all allocated a little time in this universe, but that brief moment of time and space gives us the opportunity to do what we want. Say thank atoms and molecules, of which you are a member. Thank this point. Thank confidence that the world is not going anywhere tomorrow. Thank the universe that you created; it is common that we all have, and it unites us truly cosmic way. No one can take this from us.