Dark Matter

[jazzy_dave]

Intersting In Our Time discussion on BBC Radio 4 on Dark Matter.

http://www.bbc.co.uk/programmes/b054t3s2

Melvyn Bragg and his guests discuss dark matter, the mysterious and invisible substance which is believed to make up most of the Universe. In 1932 the Dutch astronomer Jan Oort noticed that the speed at which galaxies moved was at odds with the amount of material they appeared to contain. He hypothesized that much of this 'missing' matter was simply invisible to telescopes. Today astronomers and particle physicists are still fascinated by the search for dark matter and the question of what it is.

Comments

[maiac.livejournal.com]

I listen to In Our Time via podcast. The range of topics is wonderful.

After listening to about two years' worth of episodes, I finally realized that every episode features at least one female expert. that's a subtle but important message in itself.

[artkouros.livejournal.com]

Star Talk in the US is a good listen for sciency stuff. I like that 96% of the universe is unknown and unknowable dark matter and dark energy. I'd hate to think that it was all figured out.

[lil-shepherd.livejournal.com]

I thought all the scientists were extremely clear about what we do and do not know and why. This is not always the case of experts on 'In Our Time' particularly when discussing theology or philosophy. One of the best of this season.

[thespian15.livejournal.com]

EEP, that is a deep or is it heavy subject. :o
Hugs, Jon

[davesmusictank.livejournal.com]

Deep in the sense of being complex and heavy as such dark matter has to be heavier than normal atoms.

[a-phoenixdragon.livejournal.com]

Ohhh, need to see if I can get a listen in soon!

*HUGS*