Ottawa 18

Ottawa 18,
originally uploaded by zwzhang.

I am moving my blog again

Hi, Everybody,
I have switched to WordPress.com to continue my blogging.
Here is my currently active blog

New planet could support life

This artists rendering released by European Southern Observatory, shows the planetary system around the red dwarf Gliese 581 For the first time astronomers have discovered a planet outside our solar system that is potentially as habitable as Earth, at left, with similar temperatures, researchers announced Tuesday, April 24, 2007. (AP Photo/ESO)