This is an image of the Earth and Neptune.
A Comparison of Neptune and the Earth
This is an image of the Earth, shown next to Neptune for comparison.
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Traveling Nitrogen Classroom Activity Kit
Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more
An Overview of Neptune's Atmosphere
Neptune's atmosphere shows a striped pattern of clouds. This cloud pattern is very similar to that of Jupiter and Saturn. Neptune even has a Great Dark Spot similar to Jupiter's Great Red Spot. The history...more
Neptune's Present Great Dark Spot
This image shows the new Great Dark Spot of Neptune, which was discovered using the Hubble Space Telescope. The image shown here, shows a "hole" in the clouds of Neptune in pink, in the northern hemisphere,...more
A Look at the History of Neptune's Atmosphere
The giant planets have definitely changed since their formation. But how much remains to be seen. Most of the original air of the giant planets remains in place. (The earth-like planets lost most of their...more
Neptune's Cirrus Clouds
This image shows some clouds known as "cirrus" clouds, extending for many kilometers across the face of Neptune. These clouds are very high up, for they can be seen to cast shadows on the lower clouds,...more
Neptune's Smog Hazes
This image of Neptune uses false colors to show where the smog is. The smog of Neptune can be seen in red along the edge of the image. These hazes of smog are found at very high altitudes, over the clouds...moreA Look at Neptune's Clouds
Like Jupiter and all the giant planets, Neptune's appearance shows a striped pattern of clouds. Other cloud shapes seen over time include a small dark spot, the "scooter" and the Great Dark Spot. The Great...more
How the Solar System may have formed from a spinning cloud
Scientists think that the solar system formed out of a spinning cloud of hydrogen and helium gas. Because the cloud was spinning, it flattened into a frisbee shape, just like a ball of pizza dough becomes...moreShop Windows to the Universe
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