"A Short Look at Earth History. Formation of Sun. Formation of Universe: 13.7
billion years; Formation of Galaxy: 11 billion Years; Formation of Solar System:
4.6 ..."
https://www.uwgb.edu/dutchs/EarthSC102PowerPoint/102OverviewEarthHistory.ppt
"A Short Look at Earth History. Formation of Sun. Formation of Universe: 13.7
billion years; Formation of Galaxy: 11 billion Years; Formation of Solar System:
4.6 ..."
https://www.uwgb.edu/dutchs/EarthSC102PowerPoint/102OverviewEarthHistory.ppt
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