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Smacking Mars

9 February 2014

Space rock hit Mars on a regular basis. At www.jpl.nasa.gov/news/news.php?release=2014-037 … we have a crater 100 feet in diameter at the centre of radial burst (see also http://photojournal.jpl.nasa.gov/catalog/PIA17932) which happened some time between July 2011 and May 2012 (see also www.nasa.gov/mro).

Gary Gilligan provided the link and it has since spread across the web. He asks, how did the Electric Universe people miss this if what is seen here has an origin in lightning bolts. Well, I suppose we don't know when it happened – anyone.

He also provides a link to an interesting video at www.youtube.com/watch?v=hC3VTgIPoGU

Meanwhile, at www.sciencedaily.com/releases/2014/02/140205143802.htm … we are told new research suggests the early universe warmed up later than previously thought. This brings us back to black holes again and it is these that are supposed to have heated up everything out there – and now it seems we have black holes as ovens. The study, published in Nature (this month) involves the measurement of emissions of hydrogen using radio waves. It makes a pitch that when the universe was just 400 million years of age the sky was uniformly filled with radio waves emitted by hydrogen gas. What can go wrong with thant idea?

Well, several international groups have built radio telescopes designed on the assumption cosmic heating occurred too early to detect. I'm not sure if this is contrived but the  inference they make is that they can now look for the beginnings of heat in the universe, at a much later date (above). All is not lost. Those costly telescopes now have another use after all – one dear to the heart of this team of researchers.

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