Archive for the ‘Astronomy’ Category

Design of the Universe

November 24th, 2008 Comments off

I watched a TED video recently by George Smoot entitled “The design of the universe”.  Smoot is an astrophysicist who gave a talk about the overall structure of the expanding universe with special attention paid to the interplay of dark matter and the visible matter that we observe today.  He had a number of interesting visualizations especially one that let you see the distribution of dark matter throughout the universe (simulation of course).  What struck me was the overall amount of dark matter vs. visible matter, and more interestingly the lattice structure of the dark matter.  It was interesting to see that something on a macro scale that is beyond my imagination looks almost identical to a microscopic scale (fractals ahoy!)  The video is about 18 mins long and well worth it.

Link: The design of the universe – George Smoot

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Bad Astronomy Blog » The Universe is 13.73 +/- .12 billion years old!

March 8th, 2008 Comments off

080997_5yrFullSky_WMAP_512B Good Morning Silicon Valley had a quick link to a story by Phil Plait of the Bad Astronomy Blog.  It was Phil’s explanation of recent findings published by NASA (from data collected over the last five years) about the content makeup and more definitive age of the universe.  The latest results are because of observations made by the Wilkinson Microwave Anisotropy Probe (WMAP).

Things that I found interesting were the age of the universe (13.73 billion years), the fact that the universe is mostly dark energy / dark matter and that the variance in temperature across the observable universe is incredibly minute.  Both the Bad Astronomy blog and NASA’s site are worth the read if you have time.

Links:  Bad Astronomy Blog » The Universe is 13.73 +/- .12 billion years old! , NASA – WMAP Mission Results

Categories: Astronomy, Link, Technology Tags: