Formation of solar system

Answer 1

Planetary system formation coincides with the process of star formation in which our Sun belongs to the generation of stars created 4.6 billion years ago, when our galaxy was roughly half its present age. A cloud of interstellar gas, dust, and ices containing several generations of material collapsed to form the nebula from which the Sun and the rest of our solar system grew. This collapse may have been triggered by a nearby supernova. Cosmologists believe that because the material in the nebula was rotating to some degree, not all of the nebular material fell directly into the central mass that would become the Sun. Instead, some of the material was confined to a flat, spinning disk, called a protoplanetary disk, around a young Sun. As time went on, the grains and ices in the disk bumped into and stuck to one another forming macroscopic objects with sizes on of order 0.01-10 meters, all orbiting in the same direction and same plane analogus to the rings around Saturn. As the objects grew larger, their gravitational forces increased, attracting more matter from the disk and gradually building kilometer-sized bodies called planetesimals. These planetesimals further collided and either shattered into fragments or merged producing larger objects. The gravitational pull of the largest planetesimals produced rapid growth to the size of small planets and formed the nuclei of the planets as we know them today.

Answer 2

A theory of how the solar system was formed is that a cloud of dust was disturbed by a supernova. The supernova created waves that squeezed the cloud which caused it to collapse. This formed a solar nebula.

Answer 3

Scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). This explosion made waves in space which squeezed the cloud of gas and dust. Squeezing made the cloud start to collapse, as gravity pulled the gas and dust together, forming a solar nebula. Just like a dancer that spins faster as she pulls in her arms, the cloud began to spin as it collapsed. Eventually, the cloud grew hotter and denser in the center, with a disk of gas and dust surrounding it that was hot in the center but cool at the edges. As the disk got thinner and thinner, particles began to stick together and form clumps. Some clumps got bigger, as particles and small clumps stuck to them, eventually forming planets or moons . Near the center of the cloud, where planets like Earth formed, only rocky material could stand the great heat. Icy matter settled in the outer regions of the disk along with rocky material, where the giant planets like Jupiter formed. As the cloud continued to fall in, the center eventually got so hot that it became a star, the Sun, and blew most of the gas and dust of the new solar system with a strong stellar wind. By studying meteorites, which are thought to be left over from this early phase of the solar system, scientists have found that the solar system is about 4,600 million years old!

Answer 4

Well, first there was a big bang! After the universe was created, the universe became transparent again, and the basis of our galaxy had already been formed, the area that became our solar system was filled with a swirling cloud of gas and dust, left over from the deaths of previous stars in earlier epochs. Slowly part of this- mainly hydrogen gas- became our sun. Other parts became the planets- in the Earth's case, it started out as an undifferentiated lump of rock cobbled together from rocks that collided. The heat of radioactivity and pressure caused the elements to differentiate, or separate out, most of the heavy elements sinking to the center of the Earth to become its core.

Answer 5

Possibly a passing star or more than likely a nearby supernova.

Answer 6

The solar system was formed by solar nebula it has a process that goes inward, outward, presure force of gas in the atmosphere

Answer 7

magic.