Detailed text transcripts for TV channel - DW - 20190225:07:46:00
Slow that they rarely run into each other and the universe is expanding the space grows. so grows the distance between particles and as their interactions fall the temperature drops to. a few years ago the european satellite plank measured how cold it is out there to within a few million so by degree which space telescopes astronomers can see and investigate radiation and wavelengths across the electromagnetic spectrum where does it originate how intense is it that's how they determine how hot or cold it is at the source that emitted the waves. if outlet is right why awfully glad i'm giving it...