On July 5, 2016, the moon passed between NOAA’s DSCOVR satellite and Earth. NASA’s EPIC camera aboard DSCOVR snapped these images over a period of about four hours. In this set, the far side of the moon, which is never seen from Earth, passes by. In the backdrop, Earth rotates, starting with the Australia and Pacific and gradually revealing Asia and Africa.
Every second, dozens of bolts of lightning crack across the sky with flashes that can have a temperature of 50,000 degrees — five times as hot as the surface of the sun.
Pinpointing exactly where and when these dangerous bolts hit the Earth is key for forecasting severe weather outbreaks. Now, for the first time, thanks to a new satellite instrument, forecasters are getting the best views ever of where lightning flashes. More.