safbit29 (27)in #space • 9 years agoInterstellar probes will be eroded on the way to Alpha CentauriWhen you’re travelling at one-fifth the speed of light, even a small collision can hurt. Now we know exactly how much.…safbit29 (27)in #space • 9 years agoNASA regains contact with long-silent solar science spacecraftWASHINGTON — For the first time in nearly two years, NASA has made contact with a science spacecraft on the opposite…