Laboratory visualisation of solar wind interaction with Earth’s magnetic field. The Van Allen radiation belt, Earth’s magnetosphere, “bow shock” and a solar coronal hole can all be seen, and are emphasized with the ‘Planeterrella experiment‘, a vacuum chamber in the shape of a bell jar with the ‘Sun’ on the left (in the form of …[Read More]
experiments
Imaggeo on Mondays: recreating geological processes in the lab
Many of the processes which take place on Earth happen over very long time scales, certainly when compared to the life span of a person. The same is true for geographical scale. Many of the processes which dominate how our planet behaves are difficult to visualise given the vast distances (and depths) over which they …[Read More]
GeoTalk: Explosive testing with Greg Valentine
Following his session at the EGU General Assembly, Greg Valentine (Buffalo University) spoke to Sara Mynott about how he creates model volcanoes, specifically maar-diatremes, and blows them up to better understand what goes on in an eruption… So what is a maar-diatreme? A diatreme is a vent-like structure, mostly made up of broken up bedrock …[Read More]