The Solar Wind Around Pluto (SWAP) instrument on NASA’s New Horizons spacecraft has recorded significant changes in how the solar wind behaves far from the Sun. The results are published today in the Astrophysical Journal Supplement (arXiv.org preprint). Space environment data collected by New Horizons over a billion miles of its journey to Pluto will play a key role in testing and improving models of the space environment throughout the Solar System....
