Transcription: Good evening. Our main theme tonight is life But first, some news notes and one very interesting discovery. A large body on the outskirts of the solar system, providially named Xena. Is it a planet or isn't it? Well, I wonder. Let's say what we know about this body first. It's about twice as far from the Sun as Pluto is and it's large, definitely larger than Pluto, probably about 2,000 miles across. And it takes more than 500 years to get around the Sun. Absolutely, we're in the outer reaches of the solar system here. Now, is it a planet? It's been reported as the tenth planet. Well, if Pluto' ...