Resolving the Red Controversy? | ScienceBlogs
Blue flower, red thorns! Blue flower, red thorns! Blue flower, red thorns! Oh, this would be so much easier if I wasn't color-blind! -Donkey, from Shrek Earlier this week, I introduced you to the Red Controversy, the observations recorded around 2000 years ago in Europe asserting that the star, Sirius, appeared red. Now, taking a look at Sirius today, it is clearly not red:
Source: scienceblogs.com