Was a well-known supernova an alien invader from some other galaxy?

One of probably the most well-known exploding stars ever recorded via humanity can have been an invader from some other galaxy, in line with a brand new research of its actions. What is extra, alien stars like this could be in the back of 1 in keeping with cent of the entire supernovae we see within the galaxy.

In 1604, astronomers noticed a brand new, extremely brilliant superstar seem within the sky, outshining another. German astronomer Johannes Kepler, who additionally derived one of the first rules of planetary movement, noticed the superstar for a yr to trace its…