Skip to content

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.

Ethan Siegel Starts with a Bang!

If spinning-and-moving charges make magnetic fields, why does a giant neutral thing have one? Image credit: NASA, Chandra X-ray Observatory, SAO, DSS, via http://apod.nasa.gov/apod/ap140725.html. “By allowing the positive ions to […]