GeoLog

Imaggeo On Monday: C/2020 F3 (NEOWISE) – a memorable moment

S. Mubashshir Ali October 25, 2021

C/2020 F3 (NEOWISE) – a memorable moment. Credit: S. Mubashshir Ali (distributed via imaggeo.egu.eu)

Around 17th July 2020, the core of the Neowise comet starting giving off a greenish-glow. At first I thought this strange colour was due to some glitch in my camera sensor (I used an entry-level DSLR), but other photos online also started reporting this greenish glow. It has since been speculated to be because of the formation of a new vent on the surface of the comet, discharging gaseous ions whi ...[Read More]

GeoPolicy: What can we expect from COP26?

Chloe Hill October 22, 2021

COP25 Closing Plenary. Sunday 15th 2019. Credit: UNFCCC

The 26th session of the Conference of the Parties (COP26) to the United Nations Framework Convention on Climate Change (UNFCCC) will take place from 31 October to 12 November 2021, in Glasgow, Scotland. With the exception of 2020, COPs are held annually and provide a space for world leaders to negotiate climate policies, targets, and the next steps that need to be take to reduce global emissions. ...[Read More]

Imaggeo On Monday: Cassiopeia with Milky Way

Michael Danielides October 18, 2021

Cassiopeia with Milky Way. Credit: Michael Danielides (distributed via imaggeo.egu.eu)

Cassiopeia with Milky Way in the background on September 9th, 2020. The image was taken in north-eastern state of Germany (Mecklenburg – Lower Pomerania) near the Town of Jarmen. The region has little light pollution and the evening had a clear sky (sky quality measure was 21.15). The image was taken at about 22:00 hrs local time. An EOS 1100D with a 50/1.6 lens was used. The exposure time w ...[Read More]

Imaggeo on Mondays: Magnetic interaction

Hazel Gibson October 11, 2021

Magnetic interaction . Credit: David Bernard (distributed via imaggeo.egu.eu).

Space weather is a ubiquitous, but little known, natural hazard. Though not as tangible as a volcanic eruption, storm or tsunami wave, space weather has the potenital to cause huge economic losses across the globe. In Europe alone, the interaction of solar wind with our planet’s magnetosphere, ionosphere and thermosphere, could lead to disrutions to space-based telecommunications, broadcasti ...[Read More]