Table of Contents
What is the main reason the solar nebula heated up as it collapsed?
Why did the solar nebula heat up as it collapsed? As the cloud shrank, its gravitational potential energy was converted to thermal energy. Why did the solar nebula flatten into a disk? It flattened as a natural consequence of collisions between particles in the nebula, changing random motions into more orderly ones.
What happens when a solar nebula collapses?
As the nebula collapses, it heats up, spins faster, and flattens. The Sun formed in the very center of the nebula. We have observed disks around other stars. These could be new planetary systems in formation.
How did the solar nebula explode?
This giant cloud was made up of dust, hydrogen, and other gases. It began to collapse in on itself after becoming gravitationally unstable. This was possibly because of a nearby supernova – an exploding star – sending shock waves rippling through space.
Why did nebula heat up when collapsed?
Why did the solar nebula heat up as it collapsed? A) Nuclear fusion occurring in the core of the protosun produced energy that heated the nebula. As the cloud shrank, its gravitational potential energy was converted to kinetic energy and then into thermal energy.
What caused the first heating of the solar nebula?
The proto-sun and proto-planets grew by accretion of the matter that was falling in toward the center of mass. The solar nebula warmed as the contraction increased the pressure. As the proto-sun grew and the pressures increased, it got hot from gravitational compression. It started to glow red.
Where did the solar nebula heat up mostly collapsed?
As the nebula collapses, it heats up, spins faster, and flattens. The Sun formed in the very center of the nebula. We have observed disks around other stars. These could be new planetary systems in formation.
What happens after solar nebula collapses?
As the nebula collapses, it heats up, spins faster, and flattens. The Sun formed in the very center of the nebula. We have observed disks around other stars. These could be new planetary systems in formation.
What happens when a nebula collapses inward?
FLATTENING: The solar nebula has flattened into a disk. This flattening is a natural consequence of collisions between particles in a spinning cloud. When the cloud collapses, these different clumps collide and merge, resulting in a flattened rotating disk.
What happens when a solar system collapses?
In roughly 5 billion years, the sun will run out of energy and drastically alter the solar system. Oceans will be baked dry. Entire planets will be consumed. Its outer layers will expand until they engulf much of the solar system, as it becomes what astronomers call a red giant.
Did the solar nebula collapse?
The slowly rotating solar nebula collapsed under its own gravity to form a rapidly rotating disk, with the Sun at the center. Collisions of gas and dust within the disk concentrated the material into a thin plane.
What caused the solar nebula to collapse?
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. In a similar manner, moons formed orbiting the gas giant planets.
What explosion created the sun?
The creation of the Solar System Our own Solar System was created as a result of the extreme event of an exploding star nearly five billion years ago. This energetic explosion at the end of a star, ejected elements and they spread as cosmic dust.
What happened to the nebula after it collapsed and started spinning?
As the nebula collapses, it heats up, spins faster, and flattens. The Sun formed in the very center of the nebula. We have observed disks around other stars. These could be new planetary systems in formation.
Why did the nebula spin faster as they shrink or collapse?
Initially, most of the motions of the cloud particles were random, yet the nebula had a net rotation. As collapse proceeded, the rotation speed of the cloud was gradually increasing due to conservation of angular momentum. Collisions between particles converted this energy into heat (random motions).
What happened when the gas in the nebula center stopped collapsing?
As a ball of dust and gas contracts under its own gravity, it begins to shrink and its core begins collapsing faster and faster. This causes the core to heat up and to rotate.
What caused the solar nebula to contract?
Solar Nebula. Our solar system began forming within a concentration of interstellar dust and hydrogen gas called a molecular cloud. The cloud contracted under its own gravity and our proto-Sun formed in the hot dense center. The remainder of the cloud formed a swirling disk called of the solar nebula.
What is the first step in the solar nebula theory?
The Nebular Theory would have started with a cloud of gas and dust, most likely left over from a previous supernova. The nebula started to collapse and condense; this collapsing process continued for some time. The Sun-to-be collected most of the mass in the nebula’s center, forming a Protostar .
Did the solar nebula heat up as it collapsed?
Why did the solar nebula heat up as it collapsed? A) Nuclear fusion occurring in the core of the protosun produced energy that heated the nebula. As the cloud shrank, its gravitational potential energy was converted to kinetic energy and then into thermal energy.
How did the solar nebula collapse?
The slowly rotating solar nebula collapsed under its own gravity to form a rapidly rotating disk, with the Sun at the center. Collisions of gas and dust within the disk concentrated the material into a thin plane.
When did the solar nebula collapse?
Approximately 4.6 billion years ago
What happened to most of the collapsing matter in the solar nebula?
Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.
What happened after the solar nebula collapsed?
When this dust cloud collapsed, it formed a solar nebula a spinning, swirling disk of material. At the center, gravity pulled more and more material in. Some of them grew big enough for their gravity to shape them into spheres, becoming planets, dwarf planets, and large moons.
What was the next step after our nebula started to collapse?
A protostar is an object in which no nuclear fusion has occurred, unlike a star that is undergoing nuclear fusion. A protostar becomes a star when nuclear fusion begins. Most likely the next step was that the nebula flattened into a disk called the Protoplanetary Disk ; planets eventually formed from and in this disk.
What happened to the solar nebula after the planets formed?
FLATTENING: The solar nebula has flattened into a disk. This flattening is a natural consequence of collisions between particles in a spinning cloud. When the cloud collapses, these different clumps collide and merge, resulting in a flattened rotating disk.
What happens when a nebula collapses into itself?
Nebulae are made of dust and gasesmostly hydrogen and helium. Eventually, the clump of dust and gas gets so big that it collapses from its own gravity. The collapse causes the material at the center of the cloud to heat up-and this hot core is the beginning of a star.
