<p>A giant wave of undulating gas and dust appears, per new research, to have engulfed our Solar System millions of years ago. As New Scientist reports, astrophysicists have discovered that the Radcliffe wave — a 9,000 light-year-long structure full of stars and the gas and dust needed to form new ones — seems to have swept over our entire Solar System around 14 million years ago. Previous research into this fantastic galactic wave suggested that Earth passed through it some 13 million years ago, plunging our planet into "a festival of supernovae going off," as Harvard astrophysicist Catherine Zucker told […]</p>