Dark Matter
In Our Time: Science
00:00
Detection of Dark Matter
The universe is mostly made of dark matter sorry of matter not antimatter but the microwave background radiation we were talking about before came from an annihilation in the early universe. The chances are that these are very strange particles because they're own antiparticles now you know that when matter and antimatter come together they blow up they annihilate producing a puff of radiation it's always a puff of me while we're here now I'm never mind. 2005 NASA launched a satellite the Fermi satellite to look for gamma rays for gamma radiation and there are now claims that the center of the Milky Way is glowing in gamma rays and that that is a signal of dark matter in the center ofthe Milky Way.
Transcript
Play full episode
