It is interesting to see how the aurora is moving heavens above.
With -14ºC and the air full of ice crystals is easy to find extraordinary halos.
You can see how the fabrics are all labeled by the regions where they originally come from…
We will not have another solar maximum again for another 11 years. An exceptional opportunity for many interesting projects.
Why the geese fly in “V” formation? Geese fly theory revised considering aerodynamic and social factors.