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.
Perhaps the most spectacular example of rebirth in our galaxy, this cavernous nebula is giving rise to the next generation of stars! Image credit: ESO, via http://www.eso.org/public/images/eso0925a/. “For in the […]
How one artist is transforming the modern metropolis into Tolkien-style middle Earth masterpieces. Image credit: Stentor Danielson, via his Tumblr blog, Mapsbergh. “Fantasy is silver and scarlet, indigo and azure, […]
The densest, most massive objects in the Universe will live an awfully long time, but not forever. Here’s what happens to them. Image credit: Gemini Observatory/AURA illustration by Lynette Cook. […]
And how, in the end, they help us gain the resolution of a space-based telescope without leaving the ground! Image credit: Y. Beletsky/ESO, via http://www.eso.org/public/images/potw1036a/. “But certainly the laser proved […]
Other particles — electrons, neutrinos, photons and more — can exist on their own. But quarks never will. Here’s why. Image credit: Wikimedia Commons user Maschen under C.C.-1.0. “In physics, you don’t have to […]
It might not sound impressive, but the physics behind it — and the power of its applications — are literally world-changing. Image credit: Orphek LEDs, via http://orphek.com/about/aquarium-led-lighting/. “Everyone must leave something behind when he […]
With a planetary nebula, over 80,000 stars and a distance of only 10,000 light-years, it’s one of the most rewarding globulars of all! Image credit: R. Columbari, via http://asterisk.apod.com/viewtopic.php?t=31833. “I […]
Make the world a better place — fighting disease and poverty while helping move science forward — with your computer’s spare time! Image credit: The Charity Engine, via slideshare.net. “While we do our good […]
There’s five times as much dark matter as normal matter in the Universe. But how much of that matters for black holes? Image credit: NASA/ESA Hubble Space Telescope collaboration. “A […]
It’s been 13.8 billion years since the Big Bang, but our observable Universe is much bigger than just 13.8 billion light years! Image credit: NASA; ESA; G. Illingworth, D. Magee, […]
What the first signs of life beyond our Solar System will look like. Image credit: Tanga et al., 2012. “Language… has created the word ‘loneliness’ to express the pain of […]
How the Cosmic Microwave Background — the Big Bang’s leftover radiation glow — continues to shed light on the birth of our Universe. Image credit: ESA and the Planck Collaboration. The announcement of the […]
It took Messier himself more than a decade to observe it, but the reward is a glimpse into the ancient Universe! Image credit: Daniel Verschatse, via http://www.astrosurf.com/antilhue/m55.htm. “The only thing […]
From A to Zucchini, learn how to get anything out! Image credit: The A-steam, via http://www.theasteam.co.uk/stain-odour-removal/. “You can clean your sword as much as you want but the blood still stains […]
If something went horribly wrong, could you possibly return to Earth? Image credit: ISRO. “I sometimes catch myself looking up at the Moon, remembering the changes of fortune in our […]
How the entire history of the Universe gave rise to us, in ten giant leaps. Image credit: Zosia Rostomian, Lawrence Berkeley National Laboratory. “It surprises me how disinterested we are […]
In theory, there’s a way to push the cosmic reset button. Here’s how. “Don’t be too proud of this technological terror you’ve constructed. The ability to destroy a planet is […]
How the demons and angels of our greatest minds advanced science. Image credit: Luis Royo Fantasy Art, via Photobucket user mikenolan78. When most people think of Einstein, they think of […]
Beyond our own galaxy, this ancient relic holds a key to our cannibalistic past. Image credit: NASA / Hubble / Wikisky. “A hungry man can’t see right or wrong. He […]
There’s nothing like signing up for a random chat… and winding up with an improv serenade! “I created this project for fun. Initially, I had no business goals with it. […]
Is there a way to see past the barrier the Universe puts up before it became transparent to light? Image credit: Mark Kamionkowski, of gravitational waves. “From earliest times, humans — explorers […]
How we discovered what the Universe was made of when it first formed. Image credit: X-ray: NASA/CXC/PSU/K. Getman et al.; IRL NASA/JPL-Caltech/CfA/J. Wang et al. “The nitrogen in our DNA, […]
How to destroy an Alderaan-sized planet. “What’s that star?It’s the Death Star.What does it do?It does Death. It does Death, buddy. Get out of my way!” –Eddie Izzard It’s one […]
At the bottom of the teapot in Sagittarius, the ancient giants burn for your pleasure. Image credit: REU program / NOAO / AURA / NSF. “I told my father that […]
An animal becomes so much more the instant you first love them. Image credit: me, of my first dog, Cordelia, back in 2008. “Dogs are our link to paradise. They […]
The physics of one of the rarest and most spectacular sunset sights ever seen! Image credit: © Mila Zinkova / Creative Commons. “It does no harm to the romance of […]
The largest structures in the Universe are phantasms, in the process of self-destructing. Image credit: NASA, N. Benitez (JHU), T. Broadhurst (Racah Institute of Physics/The Hebrew University), H. Ford (JHU), […]
How Worlds Thought in the 1960s to be Circling Barnard’s Star Turned out to be Illusions. Image via: http://www.wingmakers.co.nz/universe/extrasolar/Barnards.html. In this golden age of exoplanet discovery, it is hard to […]
At the top of the Teapot, a fantastic cluster dotted with Red Giants awaits. Image credit: © 2005–2009 by Rainer Sparenberg, via http://www.airglow.de/html/starclusters/m28.html. “The most difficult thing is the decision […]
Supermoons are both super and common, but they’re only a tiny slice of our nearest neighbor’s magnificent journey. Image credit: ESA / NASA and the International Space Station. “O, swear […]