Along their respective orbits around the Milky Way, Beta Aurigae and the Sun are closing in on each other, so that in around one million years it will become the brightest star in the night sky.
Pentagon (Wikipedia) In geometry, a pentagon (from Greek πέντε (pente) ‘five’ and γωνία (gonia) ‘angle’) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°.
