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Ethan Siegel
A theoretical astrophysicist and science writer, host of popular podcast “Starts with a Bang!”
Ethan Siegel is a Ph.D. astrophysicist and author of "Starts with a Bang!" He is a science communicator, who professes physics and astronomy at various colleges. He has won numerous awards for science writing since 2008 for his blog, including the award for best science blog by the Institute of Physics. His two books "Treknology: The Science of Star Trek from Tricorders to Warp Drive" and "Beyond the Galaxy: How humanity looked beyond our Milky Way and discovered the entire Universe" are available for purchase at Amazon. Follow him on Twitter @startswithabang.
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Encounters in the fourth dimension. We all have an intuitive sense of what a dimension is. There are only three perpendicular directions in which we might move, which we might […]
From our spiral shape to the heavy elements expelled in supernovae, our galaxy’s gravity reveals far more than we see. “I think if I had to choose, I would rather […]
Our Milky Way is only the second-largest galaxy in our local group. Take an interactive dive into the biggest! “He who would search for pearls must dive below.” –John Dryden […]
If everything began with a Big Bang and is expanding, is there a center? “I want to stand as close to the edge as I can without going over. Out […]
If a scientific theory can never be “100% proven,” how can we know what’s true? “Never waste your time trying to explain who you are to people who are committed […]
With the full suite of observations of the Universe now at our disposal, what is the story, contents, and history of the Universe? “People are trapped in history and history […]
Kepler took a look at 150,000 stars, searching for habitable worlds. Based on what it found, how many should be in our galaxy? “I’m sure the universe is full of […]