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  1. Arctic Mirage (Hillingar) | Geophysical Institute

    Dec 18, 2025 · In the arctic mirage a distant object appears right way up but higher up than the actual location. Though arctic and desert mirages seem to be quite different, they share a common …

  2. Mirages | Geophysical Institute

    Dec 18, 2025 · Even when the air is stagnant, there is enough air movement to cause the mirage images to come and go rapidly. Unfortunately, the same layering that gives us glorious mirages …

  3. The Highest Mirage in North America | Geophysical Institute

    Mar 2, 1995 · Is the Great One a grand illusion? Is the tallest mountain in North America a mirage? A friend recently told me that the Mount McKinley we see as a huge lump on the southwest Fairbanks …

  4. Fata Morgana | Geophysical Institute

    Dec 18, 2025 · Fata Morgana, also known as Morgan le Fay, was a fairy enchantress skilled in the art of changing shape. In one traditional story she was King Arthur's sister and learned many of her skills …

  5. Tanana Valley Mirages - Geophysical Institute

    Dec 18, 2025 · The Arctic mirage is a different story altogether. During inversion conditions in the Tanana Valley, there is a layer of dense, cold air next to the ground with warmer air overlying it. …

  6. The Parry Arc | Geophysical Institute

    Dec 18, 2025 · Was this a mirage, the northern lights or what? A possible explanation is the Parry arc named after the explorer, W. E. Parry, who first reported seeing the phenomenon while searching for …

  7. The Aleutians, 1942--Revisited | Geophysical Institute

    The Harrier is fairly bulky, intended primarily for ground support, and does not have the fighter potential of the sleek Mirage. But it does not require long runways on which to take off or land, and can even …

  8. The Brocken Spectre | Geophysical Institute

    Dec 18, 2025 · Most air travelers have observed glories in the vicinity of their aircraft's shadow on the clouds below. The glory is a part of a phenomenon familiar to mountaineers who know it as the …

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  10. Changing channels | Geophysical Institute

    Since it was established by an Act of Congress in 1946, scientists at the Geophysical Institute have studied geophysical processes from the center of the Earth to the surface of the sun and beyond, …