Using a 3D visualisation tool, researchers have demonstrated that the “Perseus-Taurus Supershell” was caused by a supernova 10 million years ago, and that this event precipitated star-formation in nearby molecular clouds.
Bringing
together data from the Sloan Digital Sky Survey and the GAIA space telescope,
astronomers were able to determine the shape of the Milky Way more accurately, as
well they noticed that our galaxy’s spiral arms do a
