Two small galaxies are caught in the middle of a cosmic exchange. About 24 million light-years away, a thin bridge of newborn stars links NGC 4490 and NGC 4485, tracing where gravity has stripped gas and triggered fresh star formation.
With the…

Two small galaxies are caught in the middle of a cosmic exchange. About 24 million light-years away, a thin bridge of newborn stars links NGC 4490 and NGC 4485, tracing where gravity has stripped gas and triggered fresh star formation.
With the…