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Some people say that the Big Bang began it. This, however, is just a theory. To this day, scientists, still do not know how humanity and life on our planet came to be.
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The Big Bang Theory models the Universe as a whole, and so far at least is the nearest theory to fit observations and calculations; but it leaves the uncomfortable "What came before?" question.. The Solar System is much younger.
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The two nouns in the second sentence ought be the other way round - Life in general came first, almost certainly as single-celled organisms first, but you are right that the actual mechanism has not been determined. We hominids appeared within the last 3 or 4 million years, very recently in geological terms, with our own species probably less than 1 million. It's hard to know because land animals from the time did not leave many fossils, compared to the rich assemblages of marine fossils.
Earth is estimated to have formed around 4.5 billion years ago, based on the age of the oldest rocks and meteorites. This age is determined through radiometric dating methods that analyze the decay of radioactive elements in these materials.
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How many species of plants exist earth?
1.4 million plants exist on earth
How does the earth still spin when gravity ceases to exist?
The earth doesn't spin because of gravity, and gravity has not ceased to exist.
How many species of plants exist on earth?
It is estimated that there are approximately 390,000 species of plants on Earth. This number includes a wide variety of plants, ranging from tiny mosses to towering trees.
Why does atmosphere exist on earth?
Gravity ! The gravitational pull of the Earth 'traps' the atmosphere close to the ground.
Is the earth's moon a significant factor for life on earth?
Yes, without the moon live as we know it would not exist on earth.
Is there a country starting with X?
their are no country's that exist on earth that start with X. but theres the legendary land of Xanadu...
Does the wampire exist on Earth?
Vampires exist only in stories, films, and folklore.
What caused te Earth's atmosphere to exist?
What caused the Earth's atmosphere to exist?
How many species of plants exist earth?
1.4 million plants exist on earth
Where will you start living if the earth will not exist in the future?
It won't be in my lifetime, but in a space station, mars, and if it after the Sun turns into a red giant then Europa.
Where do you exist?
Earth!
What happens if earth doesn't exist?
then we dont exist
Do vampire exist on earth?
No, vampires are fictional. They do not exist in real life - there is no one on earth who "has no reflection in a mirror".
Does most life on earth exist within a few meters of the earth?
Yes most life does exist within a few meters of the earth.
What would exist if Earth and the Solar system didn't exist?
If Earth and solar system didn't exist, no life would be there. Humans can't survive anywhere else.
What are the 3 major reasons why earth continue to exist?
The Earth continues to exist because of MATTER CYCLING, ENERGY AND GRAVITY
If the ozone layer didn't exist what might happen to earth?
if the ozone layer didn't exist the earth wouldn't either.....
