Tag Archive for HAT-P-26

The atmosphere of the Neptune-mass exoplanet HAT-P-26b is unexpectedly primitive, composed primarily of hydrogen and helium. By combining observations from Hubble and Spitzer space telescopes, Wakeford et al determined that, unlike Neptune and Uranus, the exoplanet has relatively low metallicity. Image credit: NASA’s Goddard Space Flight Center.

HAT-P-26b: Unexpectedly Primitive Atmosphere Discovered around Neptune-Mass Exoplanet

May 12, 2017 by News Staff

Astronomers have discovered that HAT-P-26b — a ‘warm Neptune’ orbiting a dwarf star approximately 437 light-years from Earth — has an atmosphere...

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