Watch the total solar eclipse online Aug. 12 with these free livestreams

Here's how to watch the Aug. 12 total solar eclipse live online for free.

The top 3

  1. The Absolute Longest Predicted Total Eclipse: The longest total solar eclipse predicted for an 11,000-year period (3000 BC to 8000 AD) will occur on July 16, 2186, lasting 7 minutes and 29 seconds.
  2. Longest Total Eclipse of the 20th Century: The longest total solar eclipse of the 20th century occurred on June 20, 1955, lasting 7 minutes and 8 seconds, visible west of the Philippines.
  3. Factors Influencing Eclipse Duration: The duration of a total solar eclipse is primarily influenced by the Moon's distance from Earth (being closer to perigee makes it appear larger), Earth's distance from the Sun (near aphelion makes the Sun appear smaller), and the observer's location near the equator where Earth's rotational velocity is highest.

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