GeoLog

EGU Guest blogger

This guest post was contributed by a scientist, student or a professional in the Earth, planetary or space sciences. The EGU blogs welcome guest contributions, so if you've got a great idea for a post or fancy trying your hand at science communication, please contact the blog editor or the EGU Communications Officer to pitch your idea.

Imaggeo On Monday: the Crab Nebula

Imaggeo On Monday: the Crab Nebula

The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. At the center of the nebula lies the Crab Pulsar, a neutron star 28–30 kilometers across with a spin rate of 30.2 times per second, which emits pulses of radiation from gamma rays to radio waves. This photo was taken with Liverpool Telescope (Roque de los Mu ...[Read More]

Imaggeo On Monday: Nyiragongo Crater by Nightfall

Imaggeo On Monday: Nyiragongo Crater by Nightfall

This photo shows the centre of the Nyiragongo Volcano, Democratic Republic of the Congo. As the night falls, the molten centre of the Nyiragongo crater comes to life. The smoke rising from the molten caldera centre is illuminated by both the setting sun and the bright yellow magma, displaying a spectacular range of red, pink and purple hues. Description by Victoria Milanez Fernandes, after the des ...[Read More]

Imaggeo On Monday: Effect of acid drainage on soil

Imaggeo On Monday: Effect of acid drainage on soil

Acid drainage coming from the gangue piles of a metal sulfide mine. The resilient vegetation consists of isolated patches of Spergularia rubra and Molineriella laevis. Description by Juan Antonio Campos, after the description on imaggeo.egu.eu.   Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs and videos to this ...[Read More]

Imaggeo On Monday: A steady silent witness

Imaggeo On Monday: A steady silent witness

I took this picture during a sunny field work day in the Mara Wetland, Tanzania. The granitic inselberg appeared to me as a huge silent witness not only of siltation and inundation of the wetland but also of the human actions. Slash-and-burn is widely used to deforest lands and riparian vegetation for new crops and grazing fields along the Mara River. The induced habitat degradation is jeopardizin ...[Read More]