ExoplanetsPresented by Jodi McCullough
Exoplanet or Extra Solar Planet
Planet that orbits another star, stellar remnant or brown dwarf.
First Exoplanet
1992Radio astronomers Aleksander Wolszczan and Dale Frail Two planets orbiting the pulsar PSR 1257+12
First Exoplanet around Main Sequence Star
1995 Michel Mayor and Didier Queloz of the University of Geneva
G-type star 51 Pegasi
As of May 29, 2015
1928 planets in 1219 planetary systems confirmed.
484 multiple planetary systems
There is at least one planet on average per star in our galaxy.
Around 1 in 5 Sun-like stars have an "Earth-sized“planet in the habitable zone.
How to Find an Exoplanethttps://www.youtube.com/watch?v=AnX7ExBjrHw
Selection BiasLarge Planets are easier to detect.