Summary Professor Lair Close examines the question of how common are Earth-like planets in the universe. He considers the definition of a planet (it must be a certain size and dominate its orbit of the solar system) and discusses the techniques astronomers use to discover planets outside out solar system. He concludes that solar systems like ours are rare since Jupiter sized planet typically have orbits that would disrupt an Earth-like world.
Directed : Unknown
Written : Unknown
Stars : Laird Close
Genres : Documentary
Countries of origin : United States
Language : English
Production companies : The Teaching Company
Summary Professor Lair Close examines the question of how common are Earth-like planets in the universe. He considers the definition of a planet (it must be a certain size and dominate its orbit of the solar system) and discusses the techniques astronomers use to discover planets outside out solar system. He concludes that solar systems like ours are rare since Jupiter sized planet typically have orbits that would disrupt an Earth-like world.
Genres : Documentary
Countries of origin : United States
Language : English
Production companies : The Teaching Company
