A moderate geomagnetic storm kicked up in Earth’s skies Friday morning (April 20), bringing green and rare electric-blue auroras that stretched as far south as Indiana. The space-weather news site Spaceweather.com reported that an “interplanetary shock wave” hit Earth’s magnetic field at about 3:50 a.m. EDT (2350 on April 19 GMT), quadrupling the intensity […]
Space is a dangerous place. Aside from all of the lightsaber-wielding Sith lords, cybernetic hiveminds from the Delta Quadrant, and those sexy-but-oh-so-pesky Cylons, there are all of the space-related illnesses and natural dangers to worry about. Human visitors to outer space have to worry about mysterious “space fever,” excessive levels of cosmic radiation, and (hypothetical) […]