Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. This image was acquired on Oct. 8 ...
NASA has unveiled some beautiful new pictures of the entire Earth shrouded in darkness, but lit up from below by street lights, wildfires, and the faint glow of moonlight. The images are composites of ...