- published: 07 May 2016
- views: 45440
The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. Most of the collapsing mass collected in the centre, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.
This widely accepted model, known as the nebular hypothesis, was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. Since the dawn of the space age in the 1950s and the discovery of extrasolar planets in the 1990s, the model has been both challenged and refined to account for new observations.
The Solar System has evolved considerably since its initial formation. Many moons have formed from circling discs of gas and dust around their parent planets, while other moons are thought to have formed independently and later been captured by their planets. Still others, as the Earth's Moon, may be the result of giant collisions. Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. The positions of the planets often shifted, and planets have switched places. This planetary migration now is thought to have been responsible for much of the Solar System's early evolution.
World is a common name for the whole of human civilization, specifically human experience, history, or the human condition in general, worldwide, i.e. anywhere on Earth.
In a philosophical context it may refer to: (1) the whole of the physical Universe, or (2) an ontological world (see world disclosure). In a theological context, world usually refers to the material or the profane sphere, as opposed to the celestial, spiritual, transcendent or sacred. The "end of the world" refers to scenarios of the final end of human history, often in religious contexts.
World history is commonly understood as spanning the major geopolitical developments of about five millennia, from the first civilizations to the present.
World population is the sum of all human populations at any time; similarly, world economy is the sum of the economies of all societies (all countries), especially in the context of globalization. Terms like world championship, gross world product, world flags etc. also imply the sum or combination of all current-day sovereign states.
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The world is mine but for a time
Please hear the love I bring for you to follow
Come with me, with diamonds in the sea
And stare the hearts of men whose fight in sorrow
It's foolish to suppose you know me well, I know
Everything that I touch won't turn to gold
Money's not my way although your own lost soul's
Waiting for the day to break that hole
And I love you
I've never loved someone like I do
I love you
The world is yours if you want me to
I love you
I've never loved someone like I do
Whisper please some scandal to the trees
I'm sure they would enjoy themselves enormously
Will you and I sit up in the sky
And chase our minds through space and time relentlessly?
Circumstances indicate for you and I
If the time is right, we bid a fond farewell
Some friends of mine, the world they take on for a while
Then seldom find the time they know so well
And I love you
I've never loved someone like I do
I love you
The world is yours if you love me too
I love you