what is the formation of the solar system?
492769
the most widely acceted theory is the bing bang theory \nthere is also one "statis state theory" but it has a lot of discrepancies\n\n\n4 more info:\n\nhttp://adsabs.harvard.edu/abs/1978prpl.conf..399R\n\nhttp://www.gitamrta.org/bigbang.htm\n\nhttp://map.gsfc.nasa.gov/m_uni/uni_101bb1.html
196821
The plane formed by the Earth's orbit is called the ecliptic. While most of the planets' orbits are close to this plane, Mercury and Pluto's orbits differ by several degrees.
1186820
See Carl Sagan's cosmic calendar. The big bang happened about 15 billion years ago. Our solar system was formed about 4.5 billion years ago.\n\nThe positioning of planets to their star allows certain planets in the line-up to be conducive to life. That would be their purpose, at least from the perspective of one of those lifeforms. In the future - should humankind survive its stupidities - we will be able to make many planets inhabitable in other systems, as well as a few moons in our own.
49733
GREAT QUESTION!!!!\n\nThe Kuiper Belt is the "leftovers" from when the Solar System was formed. It exists out past the orbit of Neptune.\n When our Solar System was forming out of an interstellar cloud, most of the matter was gravitationally pulled to the center. This caused the center to heat up until fusion began and our Sun was born. What was left behind began spinning around the new Sun and eventually became the nine planets, asteroids, and moons that make up our stellar home. \n There is an Asteroid Belt between Mars and Jupiter that is made up of mainly rocky objects, but this is not the Kuiper Belt. As the Sun became hotter and hotter, it actually "melted * " all of the ice in the inner Solar system and pushed it out to the outer solar system along with most of the excess gas and dust left over from the Sun's creation. What was left in the inner Solar System was the rocky-- or terrestrial(Earth-like)-- planets of Mercury, Venus, Earth-Moon, Mars and the Asteriod Belt. \nThe ices, and gas that was pushed out farther became the four gas giants-- or Jovian(Jupiter-like)-- planets of Jupiter, Saturn, Uranus, Neptune, and all of the icey Moons that orbit them. \nIf the theory is correct, that why Jupiter has most of the excess mass left over from the Sun's creation at that part of the Solar System. It was far enough- and cold enough away from the Sun for the ice to become solid enough again. The cooler gas, collapsed down to become mostly Jupiter at that distance from the Sun. (That's why it was such a big surprise to discover Jupiter + sized planets around other stars at distances very close to their sun.) The rest of this gas became Saturn, Uranus, and Neptune. \nFarther out than Neptune, the only things left were unmodified (not melted) ices. \nTHAT'S THE KUIPER BELT!\n It's believed to be another "asteroid belt" of sorts, but it is made up of mainly "dirty ice" which is mainly different kinds of ice and water ice with rocks and dust--think of it as dirt-- thrown in.(Astronomers can't just call something as simple as dirt, dirt, so they call it dust. Dust includes stuff like dirt, rocks, and anything else you might find in an interstellar cloud.) \n That is what Pluto and it's Moons are made of, as well as the recently discovered objects that are a little smaller than Pluto, and the one they found that is larger.\n That's why people are now questioning whether Pluto should be called a planet, because there are probably millions of these "Trans-Neptune objcts" out there waiting to be discovered. These little snowballs are of interest because they are basically undisturbed relics from before the Sun existed and can tell us quite a bit about the early Solar System, the Earth, and us!\n These ices should be different for the icy moons of Jupiter, Saturn, etc. because they weren't melted and pushed out away from the Sun. They were always far away beyond the orbit of Neptune and left undisturbed. \nStick around for the next 9 1/2 years as our Pluto spacecraft flys out there and notice all of the other discoveries of new Kuiper Belt Objects in the years before it arrives!!!\n ------------------------------------------------\n* Ice can't "melt" in the vacuum of space, so it goes straight from a solid to a gas. (We call solid water, for example, ice, and gaseous water, water vapor.)
471415
What do you want to know about the creation of the earth? Our solar system condensed from a cloud of gas and dust about 5 billion years ago. This was induced by the gravity of that gas and dust. Most of the mass was incorporated into the sun or blown away when the sun's fusion reactions started. The remaining planetoids went through a period when they collided and merged forming the major planets including the earth. There is evidence that a Mars-sized object hit the earth fairly early on, forming the moon.
28943
In astronomy, heliocentrism is the theory that the Sun is at the center of the Universe and/or the Solar System. The word is derived from the Greek (Helios = "Sun" and kentron = "Center"). Historically, heliocentrism is opposed to geocentrism and currently to modern geocentrism, which places the earth at the center. (The distinction between the Solar System and the Universe was not clear until modern times, but extremely important relative to the controversy over cosmology and religion.
321763
the system of a star called sun is is called Solar system.....\nall the systems of stars with planets around them are not solar systems.\nSolar system is name of our sun planets system
744734
Astronomy studies among other things, how planets, including the earth form.
504771
1.) The Earth and moon formed together at the birth of the solar system.\n\n2.) So-called "fission" theory; the moon just sort of randomly split off from the Earth over their history.\n\n3.) The Earth's gravity captured it as it passed through from somewhere else.\n\n& last, the theory most astronomers today support:\n\n4.) A large object collided with the Earth in its early times, sending debris flying into space, which would eventually coalesce to form the moon.
50650
From an astronomy standpoint...\n\nThe Sun and the planets formed out of the same protostellar material.  This protostellar material was mainly hydrogen and helium with trace amounts of heavier elements produced by past generations of stars.  Something like a shock wave of other disturbance in space causes the material to compress and become gravitationally unstable.  The contraction of the protostar begins.\n\nThe majority of the material formed the Sun the rest of it was essentially stretched out in a disk.  Local gravitational unstabilities over time coalesce to form clumps of matter in the disk.  These clumps of matter are the protoplanets.  Again over time these clumps sweep out material in the disk of the solar system and build to large masses that are the present day planets.   \n\nThat's planet formation in a nutshell...at least that's how astrophysics sees the formation of Earth like planets.
844326
The Solar System or solar system[1] comprises the Sun and the retinue of celestial objects gravitationally bound to it: the eight planets, their 162 known moons,[2] three currently identified dwarf planets and their four known moons, and thousands of small bodies. This last category includes asteroids, meteoroids, comets, and interplanetary dust.\n\nThe principal component of the Solar System is the Sun or Sol (astronomical symbol ); a main sequence G2 star that contains 99.86% of the system's known mass and dominates it gravitationally.[3] The Sun's large mass gives it an interior density high enough to sustain nuclear fusion, releasing enormous amounts of energy, most of which is radiated into space in the form of electromagnetic radiation including visible light. Jupiter and Saturn are the Sun's two largest orbiting bodiesand account for more than 90% of the system's remaining mass. (The currently hypothetical Oort cloud would also hold a substantial percentage were its existence confirmed).[4]\n\nIn broad terms, the charted regions of the Solar System consist of the Sun, four rocky bodies close to it called the terrestrial planets, an inner belt of rocky asteroids, four gas giant planets and an outer belt of small icy bodies known as the Kuiper belt. In order of their distances from the Sun, the planets are Mercury (), Venus (), Earth (), Mars (), Jupiter (), Saturn (), Uranus (), and Neptune (). All planets but two are in turn orbited by natural satellites (usually termed "moons" after Earth's Moon) and every planet past the asteroid belt is encircled by planetary rings of dust and other particles. The planets other than Earth are named after gods and goddesses from Greco-Roman mythology.\n\nFrom 1930 to 2006, Pluto (), the largest known Kuiper belt object, was considered the Solar System's ninth planet. However, in 2006 the International Astronomical Union (IAU) created an official definition of the term "planet".[5] Under this definition, Pluto is reclassified as a dwarf planet, and there are eight planets in the Solar System. In addition to Pluto, the IAU currently recognizes two other dwarf planets: Ceres (), the largest object in the asteroid belt, and Eris, which lies beyond the Kuiper belt in a region called the scattered disc. Of the known dwarf planets, only Ceres has no moons.\n\nFor many years, the Solar System was the only known example of planets in orbit around a star. The discovery in recent years of many extrasolar planets has led to the term "solar system" being applied generically to all the newly discovered systems. Technically, however, it should strictly refer to Earth's system only, as the word "solar" is derived from the Sun's Latin name, Sol. Other such systems are usually referred to by the names of their parent star: "the Alpha Centauri system" or "the 51 Pegasi system".\n\nhttp://en.wikipedia.org/wiki/Solar_system
45661
This is a very difficult question to answer that doesn't have a short answer.  What you are referring to is called condensation chemistry.  In the early solar system as the Sun was forming all the elements now in the solar system were in single atomic form because they were so hot.  As the solar system cooled these elements were able to form into various compounds and molecules.  Here is where it gets difficult.  Each element has its own condensation sequence that is dependent on temperature and pressure.
927930
Look up "the nebular hypothesis".  you also are confusing the Milky Way (a disk shaped system of a hundred billion stars or so of which our sun is a part) and the Solar System (our sun and its surrounding planets and other assorted detritus.)\n\nhttp://en.wikipedia.org/wiki/Solar_nebula
425199
i suspect that the solar system is located in a spur of the sagittarius arm.\n\nhttp://en.wikipedia.org/wiki/Sagittarius_Arm
391206
All the planets and the sun formed about 5-billion years ago within a huge cloud of interstellar gas and dust. Some regions of this cloud were more dense than others, and it's there that mutual gravitation formed the material into spherical objects that continued to grow as more material was drawn in to each. One of those clumps of material became our sun, and the others grew into the earth and other planets.\n\nGod should be spelled B-I-G B-A-N-G\nPBrax@netscape.com
530869
If you mean our Solar system (there's other suns with planets revolving around them) then our Solar System is in our Galaxy...The Milky Way.
543004
Technically, the general rotation direction of the Sun and most planets is a leftover from the original solar nebula from which the Solar System formed.  As the planets and Sun coalesced, they retained the rotation direction of the original nebula.\n\nDuring the coalescence phase, asteroid-size chunks collided and stuck together.  As more and more of these chunks collected, the planets grew in size.  However, these chunks not only brought mass to the mix, they also brought momentum.  Since most of the materials were probably all travelling in more or less the same direction, the general rotation direction of the growing planets remained the same.\n\nIn the case of Venus and Uranus, it is suspected that a major collision between the planet and another body literally tipped the planets over due to an off-center orientation of the collision.  Uranus tipped over on its side, probably due to its size relative to the other body.  Venus, being smaller, tipped so far over that its rotation was reversed.