A measure of the universe; Renaissance slide-rules and Heavenly spheres
Read More »
May 13, 2017
Measurement is a cornerstone of science, in fact of pretty well everything we do: How
Category: Planetary geology
Galileo’s finger
Read More »
May 6, 2017
“Their final resting place…” a sepulchral phrase, redolent of a fate that awaits us all.
A Watery Mars; Canals, a duped radio audience, and geological excursions
Read More »
March 21, 2017
Deceptive news is the art of pulling wool over the eyes of the populace, a
Sand dunes but no beach; a Martian breeze
Read More »
March 13, 2017
When James Hutton in 1785 presented to the Royal Society of Edinburgh his ideas on the
Comets; portents of doom or icy bits of space jetsam?
Read More »
March 9, 2017
Omens, God’s wrath, or just plain misfortune; comets were seen by our Medieval forebears as
Extreme living conditions; the origin of life and other adventures
Read More »
January 23, 2017
Extremophiles – life forms that live in really hazardous conditions. Extreme events are fascinating. Extreme
Ancient earth. 3 The air we breath; how our atmosphere evolved
Read More »
January 10, 2016
The really ancient earth: How our atmosphere evolved Take a deep breath. Savour it. One
Make your own meteorite crater – comparing experiment with the real world
Read More »
January 6, 2016
Click on the image to make it larger Make your own meteorite crater – comparing
Archives
Categories
Most Popular
Anne Phillips (1803-1862)
May 27, 2026
The Bagnold dune field, Gale crater
May 23, 2026
Wind-blown sand on Mars, Venus, and Titan
April 21, 2026
Reba Byrd Masterson (1882 – 1969)
March 27, 2026
Mud and mudstone classification
March 8, 2026