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The Authors
For lot's more videos on soil moisture topics, see Drs Selker and Or's text-book support videos https://www.youtube.com/channel/UCoMb5YOZuaGtn8pZyQMSLuQ/playlists
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Category Archives: planets
Geological maps: still interesting even when there’s only one rock type
The USGS, in collaboration with NASA, have just released a geological map of Jupiter’s ultra-volcanically active moon Io, based on images from the Voyager and Galileo probes. It is a thing of beauty. The sheer variety of different geological units … Continue reading
Now that’s what I call a geomagnetic storm!
It appears that I was a litte premature with yesterday’s post. Look at what happened to the ambient magnetic field at the two observatories at Boulder and Deadhorse today (the dotted line represents about where the plots I put up … Continue reading
The Earth weathers another geomagnetic storm
A couple of days ago, the sun got a bit excitable: This large flare produced what is known as a Coronal Mass Ejection (CME), a blob of gas and radiation hurled at high velocities from the surface of the sun … Continue reading
New at Erratics – the largest meteorite crater in the world
The clinching evidence for the Vredefort dome being formed by an impact did not come from aerial photos, but from under the microscope. Continue reading
New at Erratics: from lahar to suevite
In his second post at Earth Science Erratics Simon Wellings reveals a rather interesting deskcrop, collected from Scotland in his youth: Since it was picked up, this rock has changed identities: what was once thought to be a mud flow … Continue reading
Nice plan for content warnings on Mastodon and the Fediverse. Now you need a Mastodon/Fediverse button on this blog.