Stream episodes on demand from www.bitesz.com (mobile friendly). In Episode 93 of Space Nuts: *Solar flares...just what are they and how do they happen? Dr. Fred explains... *NASA’s Space Submarine program... *A listener question (Hi Andrew) - Does Dark Matter interact with itself gravitationally? Dr. Fred, over to you… Subscribe, rate and review Space Nuts via all good podcatcher apps, including Apple Podcasts (formerly iTunes) (featured in New & Noteworthy), Google Podcasts, Stitcher, Pocket Casts, Podbean, Overcast, Tunein Radio, CastBox.FM, iHeartRadio, etc. Join our mailing list at http://www.bitesz.com/join-our-mailing-list Email us at spacenuts@bitesz.com Website: www.bitesz.com/spacenuts (mobile friendly) For more, follow Space Nuts on Facebook, twitter, Google+ and Spreaker : Facebook - @spacenutspodcast twitter - @spacenutspodcst Google+ - https://plus.google.com/u/2/collection/cHkPaB Spreaker - https://www.spreaker.com/show/space-nuts Enjoying what we do? Then please share with and tell your friends. Your recommendation is the best we could possibly get. Thank you... #astronomy #space #science #technology #news #darkmatter #NASA #solarflares Learn more about your ad choices. Visit megaphone.fm/adchoices

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