Âm thanh chia sẻ

You think space is cold? There’s a place even colder. The Boomerang Nebula is the coldest known place in the universe. Its temperature is minus 272°C. That’s just one degree above absolute zero. Gas expanding rapidly from a dying star created this frozen cloud. In this nebula… Even the backg…

You think space is cold? There’s a place even colder. The Boomerang Nebula is the coldest known place in the universe. Its temperature is minus 272°C. That’s just one degree above absolute zero. Gas expanding rapidly from a dying star created this frozen cloud. In this nebula… Even the background radiation of the universe freezes.