Lightning doesn't always shoot downwards. Just occasionally, a thunderstorm will be accompanied by a red sprite: a huge, momentary electrical explosion that occurs around 50 miles high and fires thin tendrils many miles further up into the atmosphere. Sprites have been caught on camera before, but a fresh photo taken by arty astronauts on the ISS helps to show off their true scale. Captured accidentally during a timelapse recording, it reveals the bright lights of Myanmar and
