Energetic neutral atom Energetic neutral atom Energetic neutral atom (ENA) imaging, often described as "seeing with atoms", is a technology used to create global images of otherwise invisible phenomena in the magnetospheres of planets and throughout the heliosphere, even to its outer boundary. This constitutes the far-flung edge of the solar system. The solar wind consists of ripped-apart atoms (called plasma) flying out of the Sun. This is mostly hydrogen, that is, bare electrons and protons, with a little bit of other kinds of nuclei, mostly helium. The space between solar systems is similar, but they come from other stars in our galaxy.
Sun Stream Stakes and became a successful broodmare, producing the 1000 Guineas winner Tideway and Heliopolis, a full brother to Sun Stream who was twice Leading sire in North America. Lord Derby sent the filly to his private trainer Walter Earl at his Stanley House stable in Newmarket, Suffolk. Sun Stream's racing career took place during World War II during which horse racing in Britain was subject to many restrictions. Several major racecourses, including Epsom, Ascot and Doncaster, were closed for the duration of the conflict, either for safety reasons, or because they were being used by the military. Many important races