“Not only was there a halo around the Sun–the so-called ’22° halo,’ which sky watchers often see–but also there was an enormous ring of light running parallel to the horizon at the same altitude as the sun. It was like a giant angel’s halo suspended above my town, interrupted every 120° by a brighter splash of light (more ‘mock suns’). ‘That’s the complete parhelic circle!’ I exclaimed aloud to the empty street.” Trudy E. Bell —Rings Around the SunNASA)
I both like and hate that Canvas tracks the number of unmarked assignments that await…
The complex geometry on this wedge building took me all weekend. The interior walls still…
My older siblings say they remember our mother sitting them down to watch a new…
I played hooky to go see Wild Robot this afternoon, so I went back to…
I first started teaching with this handout in 1999 and posted it on my blog…