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Galactic year

The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. One galactic year is approximately 225 million Earth years. The Solar System is traveling at an average speed of 230 km/s (828,000 km/h) or 143 mi/s (514,000 mph) within its trajectory around the Galactic…

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Timeline of the universe and Earth's history in galactic years

European Southern Observatory
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CenterSunOrbitMilky Way GalaxyEarth years
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Timeline of the universe and Earth's history in galactic years

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Galactic year

Nodes10
Edges9
Triples1
Avg. degree1.8
Density0.2
Components1

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Galactic year

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related to history · 1
Galactic year → The

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galactic year time years center cosmic around approximately also earth's one 225 million scale geologic sun orbit known duration required

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SubjectPredicateObjectConfidenceSrc
Galactic yearrelated to historyThe0.60section

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