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  • Light Travel Time: Sun to Milky Way's Edge - A Detailed Calculation
    Here's how to figure out the time it takes for light to travel from the sun to the edge of the Milky Way:

    1. The Distance:

    * The Milky Way is roughly 100,000 light-years across.

    * Our Sun is located about 26,000 light-years from the galactic center.

    * Therefore, the furthest edge of the Milky Way from our Sun is approximately 100,000 light-years / 2 + 26,000 light-years = 76,000 light-years.

    2. Light's Speed:

    * Light travels at a speed of approximately 299,792,458 meters per second (approximately 186,282 miles per second).

    3. Time Calculation:

    * 1 light-year is the distance light travels in one year.

    * Therefore, it would take light 76,000 years to travel from the Sun to the edge of the Milky Way.

    Important Note: This is a simplified calculation. The Milky Way's shape is not perfectly symmetrical, and the actual distance to the edge might vary slightly depending on the exact direction considered.

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