What is Galactic year? Definition, Meaning & Explanation
Our planet completes one cycle around the Milky Way galaxy in 23 million years, so we are in our 20th galactic year.
A galactic year is the period of time in which our Sun completes one cycle around the center of the galaxy. As our planet i.e. the Earth revolves around the Sun, so we can say that the Earth also revolves around the center of the galaxy. The Solar System is traveling (orbiting) around the center of the Milky Way Galaxy at an average speed of 230 kilometers per second (142 miles per second). At this speed, a body can orbit the Earth’s equator in about………………… Continue Reading
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Harry Alford Clay Rivers nopara73 nopara73 Wayne Pollock Peter Muller Zorawar There's Physics
