if the earth was created by stardust and planets crashing together where did all that come from??

Question

did it just mysteriously appear or what?

Answer 1

The heaves and the earth were created by God.

Answer 2

In the beginning (well, shortly after the Big Bang) there was only hydrogen and helium gas. The gas came together (because of gravity) to form galaxies, in which formed stars. Some of these stars had very short life spans, during which they created all sorts of other elements at their cores by nuclear fusion. Then these stars died spectacular deaths - supernova explosions - which created even more elements by nuclear fusion.

Think of it as galactic recycling - a star forms out of a cloud of gas, lives its life, then dies and returns a lot of that original gas back out into the galaxy, but now transformed (through nuclear fusion reactions) into other elements. Those other elements are the dust they talk about when they say a nebula is made up of gas (mostly hydrogen and helium) and dust (everything else). Now new stars are created from the remnants of the old ones.

Our Sun is one of these new stars - it was formed from the remnants of stars that died before 4.5 billion years ago. And the planets formed around the Sun from the very same star stuff.

Now if you want to know where the original hydrogen and helium came from after the Big Bang, that's a different question, one which, ultimately, we don't have an answer to. Yet. But that's why scientists are still employed - we don't have all the answers yet!

Answer 3

About 13.6 billion years ago, the universe began in an enormous explosion called the big bang. The result of this was the creation of a lot of hydrogen, some helium, and a small quantity of lithium. Heavier elements were not made. This matter was distributed nearly -- but not exactly -- evenly throughout the new universe. Irregularities in the distribution permitted local accumulations of matter of increased density. Some of these were large enough to reach high enough temperatures, due to gravitational collapse, to begin thermonuclear fusion. Bingo, stars! When a star burns up all of its hydrogen, it is on the path to destruction; if it is big enough, it can explode in a supernova, creating heavy elements and scattering them throughout the local space. These may in turn undergo gravitational collapse, and a new star (and possibly planets) may be formed. The sun is such a second-generation star, and the heavy elements created by a supernova explosion are now the stuff of life.

Answer 4

Welcome to the Science section. Science *does* allow for mysteries to remain, so your question does not present a problem, merely an interesting challenge.

Every sign so far tells us that the Universe (not just matter, but spacetime itself) was, at one point long ago, contained in a single point, a singularity. (If there is something in nature that contradicts this, scientists everywhere would like to know about it)

Whatever happened before that, is a mystery. We cannot detect it, because we can only detect radiation or matter (etc) from our own Universe, and this Universe didn't exist before Big Bang.

We can certainly speculate, but until we can figure out a way to leave this Universe and enter another, we will have no data. You may choose to believe that God initiated the Big Bang, but there is no scientific data that supports this, either.

Answer 5

this is not a mystery at all.

Our entire solar system is a remnant of a nebula or supernova that was once a massive star .

the dust from the nebula or nova collapsed due to gravity and formed the sun ;

The remnant of gas and dust on the edges accumulated together to form the earth and other planets.

Answer 6

The leading theory of big bang says all the matter was compressed in one infinitely dense point, then it started to expand then when the universe cooled enough, matter started to form stars due to gravitational pull, then galaxies thats where it all came from. then after stars "run out of fuel" (Hidrogen) they explode into a nova and the remaining dust can create new stars and planets because of gravitational pull.

Thats as short an answer as i could come up with.

Certainly the answer "God created it all" is clearly insufficient and probably wrong.

Answer 7

It is a shame we do not see the remnants of the nebula or even a past supernova. It must have been a wild ride 4.5 Billion years ago. We do not even see a neighboring star. Anyway, this is where the material came from.

Answer 8

The solar system formed out of clouds of material left over from ancient stars exploding in huge supernovas.
The ancient stars material may have formed out of hydrogen floating around since the big bang, but thats another question...

Answer 9

If the earth and the whole univerise was created by a big bang, then God caused it to happen that way.

Answer 10

a quantum vacuum fluctuation, the ultimate free lunch. check the web site.