Starship Asterisk*

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I've just finished the series of the Classroom Astronomy lectures this morning and I would like to take the opportunity to say thank you to Prof Robert Nemiroff and everyone else involved. It's an excellent series and I've learnt a huge amount. Had to laugh at this video Lecture 25 at just under 39 ...

Cheers Geck

Thanks for the clarification.

Regards

Graeme

Hello I have just watched Lecture 21, brilliant! At about 16 minutes there is a slide on the Bullet Cluster and you use the phrase " the dark matter can be seen" and is shown in blue, separate from the red gas clouds. Could you clarify please, I understand the requirement for an even sprea...