A Voyager 2 image of Neptune showcasing two dark spots, the Earth-sized Great Dark Spot and Dark Spot 2, along with a bright cloud feature known as the Scooter. These are high-pressure anti-cyclones in Neptune's atmosphere. The image shows the planet's characteristic blue hue due to methane in its atmosphere.

Astronomy Picture from 21/08/2001

Dark Spots on Neptune

Source: https://apod.nasa.gov/apod/ap010821.html


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