how are planets formed
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How are planets formed? Report Abuse. Planets are formed from huge disks of gas and dust that surround a newly-formed star. Clumps start to form in the disk where bits of matter bump into each other and start to stick together.Over time these clumps get bigger, and they have more of a gravitational pull on the surrounding matter.nstead there was in its place a large cloud of gas and dust called a nebula. Over many millions of years the immense gravity of this large cloud caused the dust and gas to slowly fall inward towards its center. As matter in the cloud fell towards the center it began to spin.
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- In areas with clouds of mostly gas, planets similar to Jupiter and Saturn will form, while in areas with more dust, rocky planets similar to Earth will form.
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- What caused this is still under investigation, but some scientists believe it was because the gas giants were moving around and perturbing smaller bodies at the fringe of the Solar System. At any rate, in simple terms, the clumping together of protoplanets (planets in formation) eventually formed the planets.
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What is a planet? Credit: NASA/ESA/Hubble Heritage Team (STScI/AURA). The planets in our solar system didn’t appear out of nowhere. Neither did the sun. They were all part of a big cloud of gas and dust.Gravity collected lots of material in the center to create the sun. The left over stuff swirled around the forming sun, colliding and collecting together. Some would have enough gravity to attract even more gas and dust, eventually forming planets.ost of the time these clouds form a type of star called a brown dwarf. They are pretty big compared to most planets, but they are not big enough to turn into the kind of star that makes lots of energy and gives off light. Relative sizes of different planets, our sun, and things in between.
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How did our planet form? The wreckage from the explosion then crashed into a nearby cloud of gas, bringing together the ingredients for our solar system to form. Because the explosion was so energetic it made the dust mixture very hot and things began to cook.
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Planet Neptune: Facts About Its Orbit, Moons & Rings Formation of Neptune. Neptune is generally thought to have formed with the initial buildup of a solid core followed by the capture of surrounding hydrogen and helium gas in the nebula surrounding the early sun. In this model, proto-Neptune formed over the course of 1 to 10 million years.
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- Planets are made of whatever happens to be floating around in space. Typically, it all starts with clouds or stellar disks of gas and dust, which begin to condense due to gravity in any places that are slightly more dense than others. The more the gas and dust pull together, the greater the mass of the protoplanet, and the stronger its gravity to pull even more gas and dust into it. Exactly which elements the dust consists of will depend on nearby stars. In an area of young stars with no history of supernovae , elements heavier than Iron will be very scarce, while in an area where supernovae have occurred, the full range of naturally occurring heavy elements might be found.
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- At the birth of sun-centric solar system about 5-6 billion years ago, there had a release of huge amount of energy. And at the beginning of the formation of planets about 4-5 billions of years ago, there had a great temperature difference between inner and outer belt of planets.
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- How did the galaxy form? Roughly speaking, in a way similar to the way the Solar System, the Sun, the planets, galaxy clusters, star clusters, etc. formed: larger amounts of matter, at first probably … mainly gases, gathered together as a result of gravity.
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Chapter 9: The Jupiter System The same process is thought to have happened to the inner planets, but with a key difference. The gas giants of the outer solar system formed beyond the frost line, where, beyond the orbit of Mars, it is cold enough for compounds such as water, ammonia, and methane to freeze into grains of ice.
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How did our planet form? Somewhere in our galaxy a star exploded, throwing out masses of gas and dust. This supernova, as these explosions are called, happened about 5bn years ago. The wreckage from the explosion then crashed into a nearby cloud of gas, bringing together the ingredients for our solar system to form. Because the explosion was so energetic it made the dust mixture very hot and things began to cook.
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Exoplanets: Worlds Beyond Our Solar System Astronomers had an origin story for our solar system. Simply put, a spinning cloud of gas and dust (called the protosolar nebula) collapsed under its own gravity and formed the sun and planets. As the cloud collapsed, conservation of angular momentum meant the soon-to-be-sun should have spun faster and faster.
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Star Birth Stellar Building Blocks. Stars form from the simplest of building blocks - huge clouds of gas and dust that permeate the Galaxy. It's hard to believe, but everything in our Solar System, from the Sun to the planets, ocean, plants and us, was once a cloud of gas and dust spread out over a large area of space.
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How Our Solar System Formed In 2007, researchers at the University of California–Davis determined that our Solar System was fully formed at 4.568 billion years ago. They did this by determining the age of stony materials from the asteroid belt.
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ASTR 102 - TEST - MC08 & SA&TF All the planets in the solar system, as well as all the comets and asteroids, were formed from a disk of dust and gas known as the protoplanetary disk. Shortly after the Sun formed from a cloud of gas called a nebula, the leftover dust and gas began to orbit the Sun due to the force of gravity.
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StarChild Question of the Month for October 2001 A disk of orbiting material was formed, and this matter eventually stuck together to form the Moon in orbit around the Earth. This theory can explain why the Moon is made mostly of rock and how the rock was excessively heated. The Fission Theory: This theory proposes that the Moon was once part of the Earth and somehow separated from the Earth early in the history of the solar system. 2  The present Pacific Ocean basin is the most popular site for the part of the Earth from which the Moon came.
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Planets and How They Formed The planets in our Solar System are believed to have formed from the same spinning disc of dust that formed the Sun. This disc, called the solar nebula, was composed mainly of hydrogen and helium, but also had other elements in smaller proportions.
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Formation and evolution of the Solar System The various planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun's formation. The currently accepted method by which the planets formed is accretion, in which the planets began as dust grains in orbit around the central protostar.
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How Did Uranus Form? In this way, asteroids, comets, planets, and moons were created. Unlike most gas giants, Uranus has a core that is rocky rather than gaseous. The core likely formed first, and then gathered up the hydrogen, helium and methane that make up the planet's atmosphere. Heat from the core drives Uranus' temperature and weather, overpowering the heat coming from the distant sun, which is almost 2 billion miles away.
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How and when did the first planets form in our universe? HIP 11952 is now known to have two Jupiter-sized planets. The system is thought to be some 12.8 billion years old. Astronomers hope to use this system to begin to understand how and when the first planets formed in our universe. Stéphane Udry: Evidence of billions of rocky, habitable planets in our galaxy.
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- As shown in this picture, while they were forming in the solar nebula, the nucleii of the planets-to-be (called protoplanets) drew material to themselves from the cloud of gas and dust around them. The ...more.
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Formation of planetesimals Formation of planetesimals. Introduction. Terrestrial planets are thought to be built up through the collisions of many smaller objects. Our story begins in the remains of the stellar accretion disk which, for a sun-like star, is 99% gaseous hydrogen and helium by mass.
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Slavery and the Civil War: Not What You Think Slavery and the Civil War: Not What You Think. Posted: 04/14/2011 12:18 pm EDT Updated: 06/14/2011 5:12 am EDT. With a volley of artillery fired at Fort Sumter in Charleston Harbor on April 12, 1861, the South started a war that nearly destroyed the United States in pursuit of a terrible cause. In that conflict more than 630,000 soldiers were killed or wounded in four years of hellish war.
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- Cbecame larger in diameter Deventually formed into planets. After the young Sun formed, the disk of gas and dust. Base your answers to questions 20 and 21 on. the diagram below, which represents the current locations of two planets, Aand B, orbiting a star. Letter X indicates a position in the orbit of planet A. Numbers 1 through 4 indicate positions in the.
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Solar System ‘The inner planets (Mercury, Venus, Earth and Mars) all formed from the disk of gas and dust, the solar nebula, that surrounded our young sun.’ ‘Of the four inner planets, also known as terrestrial or rocky planets, Mercury is the smallest, oldest, and densest.’ ‘The eighth planet from the sun, its gaseous structure contrasts with the rocky inner planets.’ ‘The inner planets move fast, and make repeated transit cycles over the course of a few months or years; the outer planets move much more slowly, but the contacts they do make are often very significant.’
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Planetesimal: Definition, Theory & Hypothesis Planetesimals are small rock fragments that combined together to eventually form planets. This lesson will discuss the theory behind planet formation and the importance of planetesimals. After the lesson, there will be a quiz to test your knowledge.