... Another Nearby Supernova in the Whirlpool Galaxy . ... One of the brightest supernovas in recent years has just been recorded in the nearby Whirlpool galaxy (M51). ... Most time lapse videos of the night sky show the stars and sky moving above a steady Earth. ... Jets from Unusual Galaxy Centaurus A . ... Jets of streaming plasma expelled by the central black hole of a massive spiral galaxy light up this composite image of Centaurus A. The jets emanating from Cen A are over a million light years...