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Welcome to the new Sky & Telescope web store. We’ve been offline since August but are thrilled to be back up and running.

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Kevin B. Marvel, Executive Officer, American Astronomical Society

NASA Visions of the Future Poster - 51 Pegasi b

By Courtesy NASA/JPL - Caltech

Format: Poster

SKU# R5694

While debate continues over which exoplanet discovery was the first, one stands out. In 1995 scientists discovered 51 Pegasi b, with about half Jupiter's mass and a tight orbit of just 4.2 Earth days. Not only was it the first exoplanet confirmed to orbit a Sun-like star, it also introduced a whole new classification called "hot Jupiters": hot, massive planets orbiting closer to their stars than does Mercury.

SKU R5694
Author Courtesy NASA/JPL - Caltech
File/Trim Size 11 x 17 inches
Format Poster

In Stock

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