Sun Pillars - Geophysical Institute
2024年11月15日 · Sun pillars are most commonly seen when the sun is low. If the pillar is above the sun, the light is being reflected off the bottoms of the crystals. From high vantage points, sun pillars can sometimes be seen extending below the sun. In this case, the light is being reflected from the crystals' tops.
Sundogs, light pillars enliven the dog days - Geophysical Institute
2020年2月7日 · Sundogs usually feature red closest to the sun and blue on the outside. People have also called sundogs mock suns. The Greeks called them “parhelia,” meaning “with the sun.” Halos surrounding the sun or the moon are indicative of slightly different forms of ice crystals, those within high cirrus clouds about 30,000 feet high.
Moon dogs and light pillars enliven winter - Geophysical Institute
2006年10月4日 · Light, such sunlight or truck headlights, reflects off the undersides of the crystals. When light reflects off the top surface of those falling crystals, a pillar forms beneath the light source. Such is the effect when a band of light appears directly beneath the sun, bathing the earthly point below in divine light.
Ice Crystal Halos - Geophysical Institute
2024年10月10日 · Some displays include a halo called the parhelic circle which passes through the sun and entirely around the sky at the same elevation. One of the more prominent common features is the Parry arc, named after the British explorer, Sir William Parry, who first reported seeing them while searching for the Northwest Passage in 1819.
Snow is the state of Alaska | Geophysical Institute
2021年3月11日 · 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, turning data and observations into information useful for state, Arctic and national priorities.
Flying Saucer Clouds - Geophysical Institute
2024年10月17日 · 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, turning data and observations into information useful for state, Arctic and national priorities.
Brother, Can You Spare a Moon? | Geophysical Institute
2024年7月18日 · As Marion Sindorf of Palmer fed her horses one January morning, she noticed something amiss with the moon. Next to the lunar orb was another, fainter version of itself. She called her husband John, and together they watched the rising sun chase both moons over the western horizon.
Local items boost students’ connection to science
2024年1月26日 · The authors write that “materiality” should be “formally elevated as an important pillar” of teaching in the Arctic due to its critical role in learning. They define materiality as “education via social interaction” with certain items. Such items can represent the ideas, beliefs or values of a culture or individual, they add.
The Kodiak Treeline - Geophysical Institute
2024年11月22日 · 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, turning data and observations into information useful for state, Arctic and national priorities.
Alders go their own way in autumn - Geophysical Institute
2015年9月10日 · 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, turning data and observations into information useful for state, Arctic and national priorities.