1.3K views · 365 reactions | Using a Goddard-based supercomputer, NASA and university researchers modeled a gigantic superflare and coronal mass ejection from Kappa Ceti, a Sun-like star 29 light-years away from Earth. Such an explosion would release about 700,000 times the energy used by all humans on Earth over an entire year! https://go.nasa.gov/2Ns5MKl | NASA’s Goddard Space Flight Center | Facebook