# data[].attributes.headline
4.6 billion years ago there was a solar nebula that was a cloud of gas and dust.

# data[].attributes.subject
4.6 billion years ago there was a solar nebula that was a cloud of gas and dust.

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An event caused by a supernova or star caused the clouds of gas and dust to collapse on itself from its own gravity.

# data[].attributes.subject
An event caused by a supernova or star caused the clouds of gas and dust to collapse on itself from its own gravity.

# data[].attributes.headline
The collapse caused the  Sun to form under the intense heat. It formed a spinning disk of gas and dust.

# data[].attributes.subject
The collapse caused the  Sun to form under the intense heat. It formed a spinning disk of gas and dust.

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The disk of dust and gas were being pushed out by the solar wind from the Sun, but they stayed in place from gravity. These particled began to collide with eachother.

# data[].attributes.subject
The disk of dust and gas were being pushed out by the solar wind from the Sun, but they stayed in place from gravity. These particled began to collide with eachother.

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Accretion occured and eventually eight planets were formed that orbited the Sun. They were classified as inner planets and outer planets.

# data[].attributes.subject
Accretion occured and eventually eight planets were formed that orbited the Sun. They were classified as inner planets and outer planets.

# data[].attributes.headline
A solar nebula existed in space. It consisted of gas and dust.

# data[].attributes.subject
A solar nebula existed in space. It consisted of gas and dust.

# data[].attributes.headline
An event caused by a supernova or star caused the clouds of gas and dust to collapse on itself from its own gravity.

# data[].attributes.subject
An event caused by a supernova or star caused the clouds of gas and dust to collapse on itself from its own gravity.

# data[].attributes.headline
As the collapse occured, the gas cloud took the shape of a flat disk.

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As the collapse occured, the gas cloud took the shape of a flat disk.

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The cloud was rotating faster and faster and pulling materials into the center of itself.

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The cloud was rotating faster and faster and pulling materials into the center of itself.

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The gravitational pull increased and a ball of gas and dust formed in the center of the disk.

# data[].attributes.subject
The gravitational pull increased and a ball of gas and dust formed in the center of the disk.

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Extreme pressure and heat of the material caused hydrogen atoms to fuse together and form helium.

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Extreme pressure and heat of the material caused hydrogen atoms to fuse together and form helium.

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The reaction gave out intense amounts of energy and the materials began to glow, creating the Sun.

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The reaction gave out intense amounts of energy and the materials began to glow, creating the Sun.

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Most of the material in the solar system went into making the Sun but there were some leftover.

# data[].attributes.subject
Most of the material in the solar system went into making the Sun but there were some leftover.

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The material had been pushed out by the reaction that created the Sun, but gravity kept the material in the solar system.

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The material had been pushed out by the reaction that created the Sun, but gravity kept the material in the solar system.

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The combonation of inertia and gravity caused the material to orbit the Sun.

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The combonation of inertia and gravity caused the material to orbit the Sun.

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Solid materials like iron and silicate were able to exist as solids near the Sun without melting. They helped make the inner planets. Materials like methane and water could not exist for long when close to the Sun. They turned into vapor and were pushed away by solar wind. These vapors along with hydrogen and helium formed the outer planets. They could stay in the same state because it was cool enough where the outer planets were formed.

# data[].attributes.subject
Solid materials like iron and silicate were able to exist as solids near the Sun without melting. They helped make the inner planets. Materials like methane and water could not exist for long when close to the Sun. They turned into vapor and were pushed away by solar wind. These vapors along with hydrogen and helium formed the outer planets. They could stay in the same state because it was cool enough where the outer planets were formed.

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Collisions caused small rocks to become large rocks, large rocks to become planetesimals, and planetesimals collided with eachother to create the planets we know today.

# data[].attributes.subject
Collisions caused small rocks to become large rocks, large rocks to become planetesimals, and planetesimals collided with eachother to create the planets we know today.