Actors
Erik Thompson , Geoff Marcy , Alan Boss , Alex Filippenko , Beth Biller , Greg Laughlin , Debra Fischer , Adam Showman , Laird Close
About
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Story
Astronomers who search for extrasolar planets were once thought of as crack-pots but are now at the forefront of astronomical research. The various methods used to locate and research these planets and the unexpected diversity of these bodies are described.