Ivan Seeking
Oct31-03, 03:55 PM
Astronaut Ed Lu returned on Monday from a six-month tour as science officer on the international space station with loads of memories and at least one nagging puzzle: what caused the mysterious flashes of light he saw while studying the Earth's aurora from orbit?
http://education.guardian.co.uk/higher/research/story/0,9865,1073527,00.html
http://education.guardian.co.uk/higher/research/story/0,9865,1073527,00.html