How Did the Solar System Form?

· The solar system is a pretty busy place. It''s got all kinds of planets, moons, asteroids, and comets zipping around our Sun. This cloud was part of a bigger cloud called a nebula. At some point, the cloud collapsed—possibly because the shockwave of a nearby exploding star caused it to compress. When it collapsed, it fell in on itself

Nebular hypothesis

The nebular hypothesis is the most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System (as well as other planetary systems) suggests the Solar System is formed from gas and dust orbiting the Sun which clumped up together to form the planets. The theory was developed by Immanuel Kant and published in his Universal

How did the solar nebula become helium?

The heat from the proto-sun heated the solar nebula, especially the inner nebula. Eventually the pressures and temperatures in the core of the proto-sun became great enough that hydrogen nuclei fused together to form helium. This nuclear reaction released huge amounts of energy, as it continues to do today. The sun was born.

2.2: Origin of the Solar System

Figure (PageIndex{1}): Small protoplanetary discs in the Orion Nebula. Our solar system formed as the same time as our Sun as described in the nebular hypothesis. The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system

What Is a Nebula? | NASA Space Place – NASA Science for Kids

· Solar System. Universe. Science and Tech. Educators. What Is a Nebula? The Short Answer: A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form.

Solar system

Solar system - Formation, Planets, Orbits: The current approach to the origin of the solar system treats it as part of the general process of star formation. As observational information has steadily increased, the field of plausible models for this process has narrowed. This information ranges from observations of star-forming regions in giant interstellar clouds to

The Formation and Evolution of the Solar System

The formation and evolution of our solar system (and planetary systems around other stars) are among the most challenging and intriguing fields of modern science. Kinetics of gas-grain reactions in the solar nebula. Space Science Reviews, 92, 177–200. Ferraz-Mello, S., Michtchenko, T., Beaugé, C., & Callegari, N., Jr. (2005). Extrasolar

Formation and evolution of the Solar System

OverviewChronologyHistoryFormationSubsequent evolutionMoonsFutureGalactic interaction

The time frame of the Solar System''s formation has been determined using radiometric dating. Scientists estimate that the Solar System is 4.6 billion years old. The oldest known mineral grains on Earth are approximately 4.4 billion years old. Rocks this old are rare, as Earth''s surface is constantly being reshaped by erosion, volcanism, and plate tectonics. To estimate the age of the Solar Syste

Teach Astronomy

The initial stage in the history of the Solar System is the collapse and rotation of a large, diffuse cloud. After the cloud collapses to a stable configuration with a young Sun and a surrounding disk of gas and dust, we are ready to account for the properties of the planets. The next stage in the solar nebula was the slow and steady formation of planets from the microscopic particles in the

Solar System Formation – Astrobiology

This illustration shows the steps in the formation of the solar system from the solar nebula. As the nebula shrinks, its rotation causes it to flatten into a disk. Much of the material is concentrated in the hot center, which will ultimately become a star. Away from the center, solid particles can condense as the nebula cools, giving rise to

Scientists estimate solar nebula''s lifetime

A study by MIT researchers provides evidence that gas giants like Jupiter and Saturn formed within the first 4 million years of the solar system''s development, reports Samantha Mathewson for Scientific American. "We obtained an accurate and precise age for the lifetime of our solar system''s ancient [solar] nebula and the magnetic field," explains Prof. Benjamin Weiss.

Nebular theory and the formation of the solar system

solar system had one fewer object left off by itself, and Jupiter gained a bit more mass. This is the overall trend of the accretion of our solar system from the presolar nebula: under gravity''s influence, the available mass becomes more and more concentrated through time. P31#yIS1

How Was the Solar System Formed? – The Nebular Hypothesis

Our solar system formed at the same time as our Sun as described in the nebular hypothesis. The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements,

14.3: Formation of the Solar System

The Solar Nebula. All the foregoing constraints are consistent with the general idea, introduced in Other Worlds: An Introduction to the Solar System, that the solar system formed 4.5 billion years ago out of a rotating cloud of vapor and dust—which we call the solar nebula—with an initial composition similar to that of the Sun today.

The age of the Solar System redefined by the oldest Pb–Pb age

The age of the Solar System is defined by the formation of the first solid grains in the solar nebula. Pb–Pb age dating of these solids, which were later trapped in a meteorite, indicates that

4.6: Formation of the Solar System

The Solar Nebula. All the foregoing constraints are consistent with the general idea, introduced in Other Worlds: An Introduction to the Solar System, that the solar system formed 4.5 billion years ago out of a rotating cloud of vapor and dust—which we call the solar nebula—with an initial composition similar to that of the Sun today.

How our solar system was born

Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in it. The solar system as we know it began life as a vast, swirling cloud of gas and dust, twisting through the universe without direction or form. About 4.6 billion years ago, this

Solar System Facts

Our solar system includes the Sun, eight planets, five officially named dwarf planets, and hundreds of moons, and thousands of asteroids and comets. Our solar system is located in the Milky Way, a barred spiral galaxy with two major arms, and two minor arms. When this dust cloud collapsed, it formed a solar nebula – a spinning, swirling

Stars and Nebulas

The Helix Nebula is a layered and complex cloud of gas expelled and illuminated by the dying star at its center. Credit: NASA, ESA, C.R. O''Dell (Vanderbilt University), M. Meixner and P. McCullough (STScI) News Release: 2004-32 Outflows of gas and dust are ejected from the "Red Rectangle," dying star HD 44179, in two opposing directions. Multiple episodes of

19.2: Origin of the Solar System—The Nebular Hypothesis

Our solar system formed at the same time as our Sun as described in the nebular hypothesis. The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system consisting of a star with orbiting planets . The spinning nebula collected

Formation of Our Solar System | AMNH

The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula. A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula. The Sun formed in the center, and the planets formed in a thin disk orbiting around it.

14.3 Formation of the Solar System

Rotation of the Solar Nebula We can use the concept of angular momentum to trace the evolution of the collapsing solar nebula. The angular momentum of an object is proportional to the square of its size (diameter) divided by its period of rotation (D 2 P) (D 2 P).If angular momentum is conserved, then any change in the size of a nebula must be compensated for by a proportional

In Depth | Our Solar System – NASA Solar System Exploration

Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a

Solar System

The Solar System [d] is the gravitationally bound system of the Sun and the objects that orbit it. [11] It formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.The Sun is a typical star that maintains a balanced equilibrium by the fusion of hydrogen into helium at its core, releasing this energy from its

Top 100 Images

The portrait features the giant nebula NGC 2014 and its neighbour NGC 2020 which together form part of a vast star-forming region in the Large Magellanic Cloud, a satellite galaxy of the Milky Way, approximately 163 000 light-years away. distinguish differences in the clouds over Saturn, the second largest planet in the solar system