The formation of our Solar System began 4.6 billion years ago from a molecular cloud, leading to the creation of the Sun, planets, and other celestial bodies. The inner Solar System saw the emergence of rocky planets, while gas and ice giants formed beyond the frost line. The Sun's evolution influences the Solar System's dynamics, with its eventual expansion into a red giant marking a significant future transformation. Habitability and the potential for life hinge on factors like liquid water and protection from radiation.
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1
Age of Solar System formation
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2
Initial state of Solar System matter
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3
Formation process of Sun and planets
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4
In the warmer inner Solar System, ______, ______, ______, and ______ formed, primarily from metals and silicates.
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5
The gas giants, ______ and ______, along with the ice giants, ______ and ______, developed beyond the frost line where it was cooler.
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6
The ______, ______, and ______ are collections of smaller celestial bodies formed from the leftovers of planet formation.
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7
The gas and ice giants were able to gather thick atmospheres primarily composed of ______ and ______.
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8
Volatile compounds like ______, ______, and ______ aided in the creation of the Solar System's outer giant planets.
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9
Sun's core nuclear fusion process
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10
Sun's gravitational-nuclear balance
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11
Solar wind's role in heliosphere
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Solar wind shapes heliosphere, clears gas and dust from early Solar System.
12
Following the ______ ______ stage, the Sun is expected to cast off its exterior, forming a ______ ______ and leaving a ______ ______.
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red giant planetary nebula white dwarf
13
This transformation will scatter elements across the ______ ______, aiding in the process of ______ ______.
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interstellar medium star formation
14
The current structure of the ______ ______ will remain mostly unchanged until these changes take place, which is estimated to happen in approximately ______ ______ years.
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Solar System 5 billion
15
Central object of the Solar System
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The Sun, containing 99.86% of the Solar System's mass.
16
Composition gradient in the Solar System
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Rocky materials in inner regions, volatiles and ices in outer regions.
17
Influence on Solar System composition distribution
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Early Sun's temperature and radiation pressure shaped the compositional gradient.
18
The celestial bodies of the ______ System revolve around the ______ in nearly circular trajectories.
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19
The ______ rotation of many moons means they constantly show the same side to their ______ planet.
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20
The ______ giants of the Solar System are surrounded by intricate ______ systems.
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21
A sparse ______ that includes the solar wind and cosmic dust extends to the Solar System's ______.
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22
The ______, forming the Sun's outermost atmospheric layer, serves as a protective barrier against ______ particles.
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23
Solar ______ can impact space weather and alter conditions on ______.
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24
Key ingredient for life in the Solar System
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25
Earth's protection from radiation
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26
Influence of Sun's magnetic field and interstellar medium
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Earth Sciences
The Sun: Our Solar System's Powerhouse
View documentEarth Sciences
The Inner Solar System
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The Composition and Structure of the Outer Solar System
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The Nebular Hypothesis and the Formation of the Solar System
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