Earth
The annular eclipse of the sun by the moon, as it will appear from Cooktown, Queensland, Australia, on the morning of May 10, 2013, at 8:49 a.m. local time. (Starry Night software) On Thursday and Friday (May 9 and 10), skywatchers in parts of Australia and the Pacific region will be treated to a spectacular "ring of fire" solar eclipse, in which the moon blots out all of the sun except for its outer edge. Here's what you need to know about this stunning skywatching event, which is also known as an annular solar eclipse. What is an annular eclipse? The orbit of the Earth around the sun is an ellipse, not a circle. This means that sometimes Earth is closer to the sun than at others. The ...