Elf Ask News Today

Planets this is at the international space station. it happened during a spacewalk today. two astronauts installed a new ammonia pump for the systems cooling station, boring, right? not really. about the size of a bathtub. nasa reports initial test of that pump proved elf ask. no apparent leak of a toxic substance. the orbiting lab has been operating at half its normal cooling capacity since the pump failed last month. they said this might have been the most urgent spacewalk ever. there is a new...