The Solar System

What is the "Great Dark Spot" on Neptune?
Answered by Discovery Channel
  • Discovery Channel

    Discovery Channel

  1. Similar to the "Great Red Spot" on the planet Jupiter, scientists have nicknamed a large dusty-black ink-spot on Neptune the "Great Dark Spot." Images from the spacecraft Voyager show that the Great Dark Spot is located around Neptune's mid-section. What they have discovered is that this area is actually a storm with tempestuous winds raging at a staggering speed of 500 miles per hour (805 kilometers per hour). This isn't surprising, really, since the winds on Neptune are the fastest winds in our entire solar system.

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