Taivaalla kuu tuskin hengiss��n keskell� hauraiden pilvien virtaa. Juro vartiomies palatsin luona katsoo vihoissaan tornikelloon. Uskoton vaimo on menossa kotiin, h�nen kasvonsa kovat, sulkeutuneet,...
Why is the sky dark at night? You might think the answer is obvious - the sun isn't up! But the only reason the sky looks blue during the day is that sunlight scatters off of the atmosphere -...