One in a Galaxy: The Search for Life Continues
In One in a Galaxy: The Search for Life Continues, Professor Brian Cox wonders about the possibility of complex life and civilization on other planets. And, if we are, in fact, alone in our galaxy, what does that mean for our value in the Universe? This video is excerpted from BBC’s The Planets, a series that explores the dramatic lives of the eight planets in our Solar System.
Lesson Express
Q: How many civilizations might there be in the Universe?
A: Not many; perhaps one per galaxy.
Q: If there were civilizations in other galaxies, how long would it take us to send a message to them?
A: It would take millions of years.
Q: What is our place in the Universe, if we are the only intelligent civilization?
A: We are much more valuable in the Universe. We have a unique place in the Universe.
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In Mapping Mission: Reaching the Surface of Mercury, Professor Brian Cox explains how scientists were able to send the space probe Messenger to Mercury, a particularly difficult planet for us to explore. This video is excerpted from BBC’s The Planets, a series that explores the dramatic lives of the eight planets in our Solar System.
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