
Mirages | Geophysical Institute
Aug 14, 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 …
The Parry Arc | Geophysical Institute
Nov 20, 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 …
Arctic Mirage (Hillingar) | Geophysical Institute
Nov 20, 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 …
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 …
Fata Morgana | Geophysical Institute
Sep 11, 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 …
Unusual Events in the Sky | Geophysical Institute
Nov 20, 2025 · Fireball meteors, auroras, noctilucent clouds, mirage phenomena, atmospheric dust, city lights reflected from clouds, earthquake lights, lightning, forest fires, ice crystals and raindrops in the …
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 …
Tanana Valley Mirages - Geophysical Institute
Nov 6, 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. Under these …
Pingos Pop Up in Alaska's North Country - Geophysical Institute
Jul 31, 1997 · Many people have no doubt puzzled at the word "pingo" after spotting it on a topographic map. After you see one, the name seems to fit.
Gasohol - Geophysical Institute
Oct 23, 2025 · Whether better or worse mirage results is debatable; most results so far indicate it is worse compared to burning gasoline. However, the crucial question is if a net energy gain results …