The other day I posted a rather smashing photo of a Chennai sunset which lit up the sky in purples, pinks, oranges and reds. I referred a question to my fellow blogger, Tom, about why the sky had all these amazing colours. Many thanks Tom for taking the time to answer it!
Blogstronomy: Why is the Sky Purple?http://blogstronomy.blogspot.com/2011/09/why-is-sky-purple.htmlQuestion posed by Peter, in this blog post. Of course, the more usual question is “why is the sky blue?”, but Peter, an ex-pat schoolmate of mine living in India, snapped theâ€¦