"The Colour of Stars". Australia Telescope Outreach and Education. 2004-12-21. मूल से 10 मार्च 2012 को पुरालेखित. अभिगमन तिथि 2007-09-26. — Explains the reason for the difference in color perception.
"The Colour of Stars". Australia Telescope Outreach and Education. 2004-12-21. मूल से 10 मार्च 2012 को पुरालेखित. अभिगमन तिथि 2007-09-26. — Explains the reason for the difference in color perception.