In a region analogous to our own Kuiper belt, astronomers have made the first high-resolution image of a cometary belt around HR 8799, a young main-sequence star located 129 light years from Earth and the only star where multiple planets have been ...
... Rev (2013) 21: 63. doi:10.1007/s00159-013-0063-6 3 Janson M, et al. (2010) Spatially resolved spectroscopy of the exoplanet HR8799 c. Astrophys J 710:L35-L38 4 Charbonneau D, Brown TM, Noyes RW, Gilliland RL. (2002) Detection of an extrasolar planet...
... exoplanet was first discovered in 2010 when it was found orbiting its young main-sequence host star HR8799, which lies around 129 light-years from Earth in the constellation of Pegasus. Not much was known...