A Simulation of the Settling of the Milky Way #SpaceSaturday
Let’s say there is a galaxy-spanning alien culture or federation that exists in our own galactic home, the Milky Way. What would that distribution look like? If it’s unlikely that such a federation developed near our own solar system or around any nearby star, what sort of exploration by that federation would be required to bump into a spacecraft from Earth? Here’s more from Centauri Dreams:
Ask Jason Wright (Penn State) and colleagues Jonathan Carroll-Nellenback and Adam Frank (University of Rochester) as well as Caleb Scharf (Columbia University), whose analysis of galaxies in transition has now produced a fine visual aid. Described in a short paper in Research Notes of the AAS, the simulation makes a major point: If civilizations last long enough to produce star-crossing technologies, then technosignatures may be widespread, found in venues across the galaxy.
The simulation depicts the expansion of a technological civilization through the Milky Way, created along lines previously described in the literature by the authors (citation below). What we are looking at is the transition between a Kardashev Type II civilization (here defined as a species using its technology in a significant fraction of the space around the host star), and a Type III, which has spread throughout the galaxy. Wright has argued in earlier work that, contra Sagan and others, this might be a fast process considering the motions of stars themselves, which would overcome the inertia of slower growing settlements and boost expansion rates.
8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.