How to Gauge High Winds Using Trees
The tops of trees or other fixed objects in the middle distance make it easier to gauge the effect of the wind on clouds or…
Tag: aircraft
22 Degree Halo and Contrail Shadow
My thanks to Alan Gibson, urbane forager and regular contributor to this blog, for another great image. In this picture we are looking at two…
Slick Lines
I noticed a good example of ‘slick lines’ in the sea from an aircraft the other day. These calmer lines are formed when a thin…
Tin Bird Trails
We may never know the exact method that the earliest explorers used to find their way, but there is a friendly finger of suspicion that…
Aircraft, Meteor, UFO? Help needed!
I hesitated before posting this. Working in a slightly unusual field I do have to guard against publishing anything that could be deemed ‘unreliable’. And,…
Unidentified Celestial Objects
I quickly reached for my camera when I saw these objects in the sky. The picture was taken without a tripod and so they are…