Jan 17, 2022
There’s a Hidden Mathematical ‘Law’ in The Sand Megaripples Found All Over Earth
Posted by Fyodor Rouge in categories: law, mathematics, space
Universal law always works perfectly well.
Wherever there is sand and an atmosphere, prevailing winds may whip the grains into undulating shapes, pleasing to the eye with their calming repetition.
Certain sand waves, with wavelengths between 30 centimeters (almost 12 inches) and several meters (around 30 feet), are known as megaripples: they’re between ordinary beach ripples and full dunes in size, and we’ve seen them not just on Earth, but even on other planets such as Mars, well known for its all-encompassing dust storms.