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Ethan Siegel is a theoretical astrophysicist who currently teaches at Lewis & Clark College in Portland, OR. You can learn about him, contact him, or just enjoy the site.
April 8th @ 7PM -- premiere of the short film "Dark Matter", starring me, at Hollywood Theatre in Portland, OR!
Category: big bang
The New Age? It's just the old age stuck in a microwave oven for fifteen seconds. -James Randi About two weeks ago, the WMAP (Wilkinson Microwave Anisotropy Probe) team released their seven-year results, and I'm finally ready to tell you...
Posted by Ethan Siegel at 12:20 PM • 28 Comments • 0 TrackBacks
Category: big bang
Ever since I was a child I have had this instinctive urge for expansion and growth. To me, the function and duty of a quality human being is the sincere and honest development of one's potential. -Bruce Lee It isn't...
Posted by Ethan Siegel at 8:15 PM • 23 Comments • 0 TrackBacks
Category: big bang
Nobody can go back and start a new beginning, but anyone can start today and make a new ending. -Maria Robinson In parts one and two, we covered the very beginning of the Universe as we know it. Specifically, we...
Posted by Ethan Siegel at 8:34 PM • 37 Comments • 0 TrackBacks
Category: big bang
There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory...
Posted by Ethan Siegel at 9:51 PM • 13 Comments • 0 TrackBacks
Category: big bang
Facts do not cease to exist because they are ignored. -Aldous Huxley People who don't like their beliefs being laughed at shouldn't have such funny beliefs. -Anonymous Over at The World's Fair, the question of belief in science arose with...
Posted by Ethan Siegel at 5:37 PM • 28 Comments • 0 TrackBacks
Category: big bang
There are two mistakes one can make along the road to truth... not going all the way, and not starting. -Siddhārtha Gautama, a.k.a. Buddha Last week, I started a new series on The Greatest Story Ever Told, about the origin...
Posted by Ethan Siegel at 4:47 PM • 18 Comments • 0 TrackBacks
Category: Dark Matter
Long you live and high you fly Smiles you'll give and tears you'll cry All you touch and all you see Is all your life will ever be. -Pink Floyd In part I of this series, we talked about a...
Posted by Ethan Siegel at 12:31 PM • 16 Comments • 0 TrackBacks
Category: big bang
So, I have a small confession for you, my readers. Since I first started writing this blog, I have always solicited questions, and promised to answer the best ones. Recently, this has come back to bite me, as I've started...
Posted by Ethan Siegel at 2:02 PM • 29 Comments • 0 TrackBacks
Category: big bang
Recently, a discussion started in one of my comment threads about whether the Big Bang was necessarily valid or not, and whether there were any reasonable alternatives. The answer is that not only is the Big Bang the best theory...
Posted by Ethan Siegel at 10:34 AM • 27 Comments • 0 TrackBacks
Category: Gravity
So, the Universe started with a bang. Everything was hot, dense, and expanding. It's 13.7 billion years later now, and our Universe is cold and sparse. The temperature of the leftover glow from the big bang -- which used to...
Posted by Ethan Siegel at 2:05 AM • 10 Comments • 0 TrackBacks
