Ethan SiegelinStarts With A Bang!Starts With A Bang Podcast #105 — Dark Matter and GalaxiesWe normally think of dark matter as the “glue” that holds galaxies and larger structures together. But it’s so much more than that.·2 min read·4 hours ago--1
Ethan SiegelinStarts With A Bang!Does the Universe expand by stretching or creating space?The evidence that the Universe is expanding is overwhelming. But how? By stretching the existing space, or by creating new space itself?·12 min read·2 days ago--12
Ethan SiegelinStarts With A Bang!Our best idea for the “origin of gold” doesn’t add upIn 2017, we detected gold being forged in a neutron star-neutron star merger. Now, in 2024, the amounts created simply don’t add up.·11 min read·3 days ago--6--6
MoonbornWhy Can’t Planets Be Perfectly Round?Recently, I stumbled upon an article claiming that planets aren’t perfectly round. The catchy title made me think it was another “flat…3 min read·9 hours ago----
Avi LoebThe Colorful Mass Loss of the SunOver the past week, the sky over Boston lit up in beautiful aurora colors as a result of the excitation of atomic oxygen (red and green)…4 min read·2 days ago--5--5
Ethan SiegelinStarts With A Bang!Starts With A Bang Podcast #105 — Dark Matter and GalaxiesWe normally think of dark matter as the “glue” that holds galaxies and larger structures together. But it’s so much more than that.·2 min read·4 hours ago--1
Ethan SiegelinStarts With A Bang!Does the Universe expand by stretching or creating space?The evidence that the Universe is expanding is overwhelming. But how? By stretching the existing space, or by creating new space itself?·12 min read·2 days ago--12
Ethan SiegelinStarts With A Bang!Our best idea for the “origin of gold” doesn’t add upIn 2017, we detected gold being forged in a neutron star-neutron star merger. Now, in 2024, the amounts created simply don’t add up.·11 min read·3 days ago--6
MoonbornWhy Can’t Planets Be Perfectly Round?Recently, I stumbled upon an article claiming that planets aren’t perfectly round. The catchy title made me think it was another “flat…3 min read·9 hours ago--
Avi LoebThe Colorful Mass Loss of the SunOver the past week, the sky over Boston lit up in beautiful aurora colors as a result of the excitation of atomic oxygen (red and green)…4 min read·2 days ago--5
Ethan SiegelinStarts With A Bang!JWST uncovers new secrets within the Horsehead NebulaThe most iconic “dark nebula” of all lights up under JWST’s infrared gaze. Here’s what’s newly discovered inside.·3 min read·5 days ago--1
Ethan SiegelinStarts With A Bang!Ask Ethan: Can you explain wide binaries and modified gravity?There are many theories of gravity out there, and many interpretations of wide binary star data. What have we really learned from it all?·12 min read·1 day ago--
Cole FrederickinCantor’s ParadiseHow Did We Learn The Earth Is Round?The ancient Greeks were incredible scientists!·7 min read·4 days ago--9
