
What were the three major components of the solar nebula? Rock and Metal, Hydrogen Compounds, Hydrogen and Helium Gas. Rock/metal, Hydrogen Compounds, Water. Rock and Metal, Hydrogen Compounds, Hydrogen and Helium Gas.
What is the composition of the solar nebula?
What was the composition of the Solar Nebula? 98% Hydrogen and Helium, 1.4% Hydrogen Compounds and 0.6% Rock and Metal. 98% Rock and Metal 1.4% Hydrogen and Helium, 0.6% Hydrogen Compounds. 50% Rock, 50% Metal.
What is the solar nebula theory of evolution?
The Solar Nebula Theory. What came out of the evolutionary hypothesis was the solar nebula theory, the theory that posits that the planets and sun in the solar system formed from the solar nebula. The solar nebula is a cloud of interstellar gas and dust that condensed to form the entire solar system, including the sun and planets.
What is the most abundant gas in the solar nebula?
Hydrogen and helium gas were the most abundant by far, comprising about 98% of the solar nebula. What do we mean by the frost line when we discuss the formation of planets in the solar nebula?
What is a Nebula?
A nebula is an interstellar dust cloud of hydrogen, helium, and other ionized gases. Initially, the term was utilized to portray any diffused astronomical object, including galaxies past the Milky Way.

What is the main component of a solar nebula?
The solar nebula is initially a thin gas of hydrogen and helium strewn with tiny dust particles. These tiny grains serve as the building blocks of the planets. Dust grains play an important role in the evolution of any gas cloud. These grains act as condensation nuclei, on which accretion of matter occurs.
What are the 3 steps of the solar nebula theory?
The steps to nebular theory go as follows. Nebula becomes a solar nebula as a region within the cloud of gas and dust condenses into a core and forms a protostar. The condensing material could have been caused by a nearby supernova shockwave. The material surrounding the protostar collapses into an accretion disk.
What are the 3 composition of the solar system?
Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.
What are three observable facts that the nebular theory is based on?
The nebula theory explains three observable facts: The first is that all planets rotate in the same direction; the second is that they all orbit a common plane within 6 degrees; the third is that all terrestrial planets that are within orbit of the asteroid belt are rocky while those outside of it are gaseous.
What are the main features of the solar system?
The main features of the solar systemThe Sun is our nearest star .The planets orbit the Sun.The time taken to orbit the Sun increases with distance from the Sun.Gravity keeps the planets in orbit around the Sun and the moons in orbit around their planets.More items...
What is Class 3 solar system?
The solar system consists of the Sun and everything that orbits, or travels around, the Sun. This includes the eight planets and their moons, dwarf planets, and countless asteroids, comets, and other small, icy objects.
What is the solar nebula theory for the formation of our solar system?
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 [12].
What are the components of a solar panel?
A standard solar panel consists of a layer of silicon cells, a metal frame, a glass casing, and various wiring to allow current to flow from the silicon cells. Silicon is a nonmetal with conductive properties that allow it to absorb and convert sunlight into electricity.
How many stages are in the nebular theory?
Nebular theory explains that the formation of solar systems comprehend six differentiated stages which are: Nebula stage, which includes collapse.
What is the solar nebula theory?
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 [12].
What are the events of the nebular theory in order?
Terms in this set (5)step one(4) -The solar nebula consisted of. -hydrogen, ... step two(2) -A disturbance. ... step three(2) -The solar nebula assumed a flat, disk shape. ... step four(2) -Inner planets began to form from metallic. ... step five(2) -Larger outer planets began forming from fragments.
What is the first stage of the nebular theory?
• Step 1: Nebula starts to collapse Gravity within the nebula is just strong enough to keep the gases and dust hanging around. A nearby supernova explosion sends shockwaves through the nebula. Material is starting to collide and mass increases in areas of the nebula.
Q1: Are There Any New Planets in the Solar System?
Ans: Astronomers have found 139 new trans-Neptunian objects (TNOs) - minor planets situated in the most distant ranges of the close planetary syste...
Q2: Is Sun the Livelihood of the Solar System?
Ans: The Sun is the biggest object inside our solar system, containing 99.8% of the system's mass. The Sun is situated at the focal point of our so...
Q3: Is There a Planet Beyond the Solar System?
Ans: A worldwide group of scientists has gathered the principal conceivable radio signal from a planet past the solar system, radiating from an exo...
Q4: State Two Demerits of Nebula Hypothesis.
Ans: It doesn't fulfill the standard of conservation of angular momentum in the solar system. This hypothesis was dismissed when it was discovered...
What would be the composition of a planet formed beyond the frost line?
A relatively small amount of Rock and Metal and a larger portion of a combination of Hydrogen Gas and Hydrogen Compounds or Ices. Mostly Rock and Metal. If a planet formed beyond the frost line, what would be its composition? Rock and Metal and Hydrogen Compounds or Ices.
What are the elements that make up rock and metal?
Rock and Metal and Hydrogen Compounds or Ices. Mostly Hydrogen Compounds. Mostly Hydrogen and Helium Gas. A relatively small amount of Rock and Metal and a larger portion of a combination of Hydrogen Gas and Hydrogen Compounds or Ices.
How many LY is the observable universe?
The observable universe has a radius of about 14 billion LY.
Which phase of Venus was larger?
He observed that while Venus was in the crescent phase it appeared larger than when it was in full phase.
Is Venus in heliocentric or geocentric?
NOT: In the heliocentric system, Venus would occasionally be near full phase and would appear larger at that time. In the geocentric system, Venus would never be near full phase.
What is the implication of the solar nebula theory?
The implication of the solar nebula theory is actually quite deep. This theory essentially says that planetary formation is a normal part of the formation of a star. Remember, the planets formed from the same stuff the star formed. That's the gist of it. As a result, we should come to expect that most stars in the universe should also have planets just like our own. This is, of course, great news for those hoping for life on other planets since it means planets around a star are a common, rather than rare, consequence of stellar formation.
What is the evolutionary hypothesis of the solar nebula?
What came out of the evolutionary hypothesis was the solar nebula theory, the theory that posits that the planets and sun in the solar system formed from the solar nebula. The solar nebula is a cloud of interstellar gas and dust that condensed to form the entire solar system, including the sun and planets.
What is the cloud that forms the solar system?
To sum everything up, an interstellar cloud of gas and dust rotated and flattened into a disk, with the sun forming in the center and the planets in orbits around the sun. Meaning, the solar system, sun and planets included, formed from the same solar nebula, a cloud of interstellar gas and dust that condensed to form the entire solar system, ...
What were the two competing theories as to what force was responsible for the creation of the solar system?
Back in the 20th century, the two competing theories as to what force was responsible for the creation of the solar system were the catastrophic hypothesis and the evolutionary hypothesis.
What is the theory that the Sun and the Sun form from the Sun?
Enough evidence was gathered in the 20th century to make the evolutionary hypothesis into a theory. The solar nebula theory is the theory that posits that the planets and sun in the solar system formed from the solar nebula.
How did the Sun form?
Originally, there was a rotating cloud of gas that condensed and flattened out like a pancake. At the center of this thin disk of dust and gas, the sun began to form. But the dust and gas are also the ingredients for the planets themselves. So, as the sun formed, the planets formed from these ingredients.
What happens when the Sun becomes luminous?
Eventually, when the sun became luminous enough, the unnecessary dust and gas was blown away into space, leaving the planets around the sun. This is sort of like taking a pizza dough ball and rotating it to the point that it becomes like a pancake shape. After it flattens, you plop it onto a plate.
What is the solar system made of?
The solar system is the planetary system made up of the Sun and the celestial elements that are held together with the Sun by gravity. The Sun is a G2-class main sequence star 1.39 million kilometers in diameter. The Sun represents 99.86% of the mass of the solar system and is the closest star to Earth.
How did the solar system form?
According to modern thinking, the solar system was formed about 5 billion years ago as a result of the accumulation and compression by gravity of a cloud of gas dust.
What Are Dwarf Planets?
A dwarf planet is a spherical object that moves in a heliocentric orbit, but has not cleared the surrounding space.
How many planets are there in the solar system?
In addition to the Sun, the Solar System contains eight planets, five dwarf planets, more than one million known asteroids, 644 planet moons, dwarf planets, and asteroids, and 3,701 known comets. Most of these objects revolve around the Sun in orbits with small inclinations relative to the ecliptic.
What is the origin of solar energy?
This nuclear energy is the origin of solar energy.
How does the Sun produce energy?
The Sun emits energy in the form of radiation from the nuclear fusion reactions of hydrogen atoms that take place inside it. This energy is vital for life, as they allow the Earth to be kept in temperature ranges suitable for life and so that some basic elements of the food chain can photosynthesize.
Which star is the source of energy?
The sun is the central and only star in our planetary system and is the source of solar energy.
