Arctic Mirage (Hillingar) | Geophysical Institute
Dec 4, 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 …
Mirages | Geophysical Institute
Dec 11, 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
Dec 11, 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 …
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
Dec 11, 2025 · The fate morgana mirage is one that can occur only where there are alternating warm and cold layers of air near the ground or water surface. Instead of traveling straight through these …
Unusual Events in the Sky | Geophysical Institute
Dec 11, 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 | Geophysical Institute
3 days ago · It's a conical hill found in the Arctic and often has a crater lake in the center. It has been formed since the last ice age and can be found in sizes ranging from 50 feet to over a quarter of a …
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 …