NASA Solar System Exploration on Instagram: "Our heliosphere is like our “house” in space: Its walls protect us from the weather outside. But every now and then, it springs a leak and a few interstellar particles make it all the way to Earth, leaving traces for us to find! 🌳 By studying these “leaks,” we learn how our heliosphere has changed over millennia, revealing surprising long-term changes in our Sun. Launching as early as Sept. 23, NASA’s Interstellar Mapping and Acceleration Probe will