An enormous wave within the Milky Means might have been created by one other galaxy

The Milky Means seems to have an enormous ripple spreading out throughout not less than 1 / 4 of its disc. If confirmed, the construction may be a relic from a brush with one other galaxy, however not all astronomers are satisfied that it really exists.

Whereas illustrations usually present our galaxy as a flat disc with a bulge within the center, its construction is far more sophisticated. Astronomers have mapped undulating clouds of stars and gasoline that create waves throughout small sections of the Milky Means. They’ve additionally discovered that…