Astronomy Cast Ep. 388: Megastructures
This week astronomers announced an unusual transit signal from another star. Although it’s most likely a natural phenomenon, one remote possibility is that this is some kind of alien megastructure. Freeman Dyson and others have considered this idea for decades. Today we’ll talk about the kinds of structures that aliens might want to build.
Visit the Astronomy Cast Page to subscribe to the audio podcast!
We record Astronomy Cast as a live Google+ Hangout on Air every Monday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.
Recent Posts
We Understand Rotating Black Holes Even Less Than We Thought
The theory of black holes has several mathematical oddities. Recent research shows our understanding of…
Habitable Worlds are Found in Safe Places
When we think of exoplanets that may be able to support life, we hone in…
New Glenn Booster Moves to Launch Complex 36
Nine years ago, Blue Origin revealed the plans for their New Glenn rocket, a heavy-lift…
How Many Additional Exoplanets are in Known Systems?
NASA's TESS mission has turned up thousands of exoplanet candidates in almost as many different…
Hubble and Webb are the Dream Team. Don't Break Them Up
Many people think of the James Webb Space Telescope as a sort of Hubble 2.…
Scientists Have Figured out why Martian Soil is so Crusty
On November 26th, 2018, NASA's Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport (InSight)…