The formation of the Solar System:
The Nebula
Cloud of Gas (Nebula) (SOLAR NUBULAR HYPOTHESIS) - Star exploded in space… space…. - Began to spin the cloud - Began to compress cloud
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The formation of the Solar System: Compression and Flattening Gravity and Angular Momentum - Made cloud spin faster and compress more.
Similar to an ice skater who compresses herself.
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The formation of the Solar System: Heating - The cloud started to get: - Flatter - Hotter - Umm, just how HOT did it get ??? So hot that fusion begins and the Sun forms.
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The formation of the Solar System. - Eventually chunks of gooey matter begin to stick to one another (Like gooey cookie dough)… dough)… yum, yum ! •The The matter comes together to make PLANETS… PLANETS…
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The formation of the Solar System:
The Planets Form
The type of planets and what they are made of depend on temperature. temperature.
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The formation of the Solar System. Closest to the sun: it is too hot for anything but solid planets of rock and metal to exist.
WARMER
Far away from the sun: it is cool enough for gasses to exist.
COOLER Mr. Fetch’s Earth Science Classroom
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The formation of the Solar System.
Jupiter, Saturn, Uranus, Neptune Far from the sun = mostly gas.
MercuryMercury-VenusVenus-EarthEarth-Mars: Close to the sun = rocky, metal cores
COOLER
WARMER
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The formation of the Solar System.
The remaining dust and gas from the nebula was blown away by a solar wind. Mr. Fetch’s Earth Science Classroom
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Comets Comets - Ice, gas, gas, and a small amount of dust Comets move around the sun.
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Comets - Comets are invisible unless they are near the sun because… because… - The temperature increases due to the suns heat. heat. - The ice melts. - The gas and dust is released and glows. glows. - Solar winds push the gas and dust to form a tail. tail.
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Comets The sun gives off a solar wind in all directions.
Tail always points away from the sun and it’ it’s solar wind. Mr. Fetch’s Earth Science Classroom
Comets
Tail always points away from the sun and it’ it’s solar wind. Mr. Fetch’s Earth Science Classroom
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Parts of a Comet Nucleus: Center of a comet made of ice, gas, and dust.
Coma Nucleus
Coma: thick cloud of water, CO2, and dust that melts/sublimes out of the nucleus.
Tail
Dust Tail: dust particles being pushed by the solar wind.
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Comets: Sent from the Oort Cloud
Comets formed from leftover material during the formation of the solar system. Mr. Fetch’s Earth Science Classroom
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Comets: A meteor shower When Earth passes through the tail of a comet, comet, this is when we see “shooting stars” stars” in a meteor shower… shower… THEY ARE NOT REALLY STARS!!!
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Asteroids, Meteoroids, Meteors, and Meteorites Asteroids - Small chunks of rock or metal that revolve around the sun. - Most are found between Mars and Jupiter in the asteroid belt. - Jupiter's high gravity keeps them there. - Often become moons around planets.
2036: Asteroid :: Target EARTH … HOLY COW!
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Asteroids, Meteoroids, Meteors, and Meteorites Meteoroid - Small chunks of rock SMALLER THAN AN ASTERIOD - Revolve around the sun.
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Asteroids, Meteoroids, Meteors, and Meteorites Meteor - When a meteoroid comes into Earth Atmosphere - Burns up and produces light streak METEOR SHOWER: 1. Earth passes through a left over comets tail. 2. Meteoroids enter Earths atmosphere (now called meteor)
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Asteroids, Meteoroids, Meteors, and Meteorites Meteorite - When a meteor makes it to Earth’ Earth’s surface without burning up. - MAKES IMPACT. CRASH, BOOM… BOOM…
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Meteor Crater, Winslow Arizona
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