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4.6 billion years ago.

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15y ago

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When were planets formed and how?

The planets of our solar system were formed at different times, the earth is known to have formed as a planet about 4.6 billion years ago but other planets in the solar system may have formed earlier or later as they were quite conceivably not formed in the same manner as the earth


How do you calculate your birth date to other planets?

We do not have a system of dates for other planets. The only system we have is that of Earth.


How was the earth created according to science?

When the sun was being born, matter that was circling around it formed into planets. There was hundreds of planets, but most of them were destroyed when they crashed into each other. Eventually, only the main 8 planets were left. Then water came on earth from comets.(scientists think so anyway) and life was formed


. Scientists believe that Earth and the other planets formed _____.?

They believe the planets formed from a disc of gas and dust called a "protoplanetary disc".


How long ago was the first form of earth?

We believe that our solar system, including the Sun, Earth and all the other planets, formed about 4.5 billion years ago


What else was formed when the earth was formed?

The other planets, stars, galaxies, meteors, comets, and asteroids.


Why are other planets there in the solar system?

Other planets other than earth is put in the solar system for humans to explore and do researches on them.


In what type of system do the Earth Sun planets and stars revolve?

The Sun, Earth and other planets, along with many other items are part of a Solar System.


What do scientist believe happened 4.6 billion years ago?

Scientists believe that the Earth and other planets in our solar system formed about 4.6 billion years ago from a disk of dust and gas surrounding the young sun. This process, known as accretion, involved the gradual gathering of particles to form the planets.


Age of earth and other planets?

It is estimated that the Solar System is 4.6 billion years old including Earth and the other planets.


Why was Earth and other planets not solid when they first formed?

They were made of dust, not rock


Are there other planets is the solar system?

Yes. Besides earth there are seven other major planets and 5 recognised dwarf planets.