The planets Jupiter, Venus and Mercury will be performing a shell game of sorts in the evening sky.
On the night of May 28 2013, the three planets will line up and the phenomenon could be observed in the Astronomy Observatory in the town of Gabrovo, Iliyana Ilieva of observatory was reported by local news agency Focus as saying.
Each night this week, Mercury will slide above and Jupiter will move down to join Venus.
By June 2, this will form the closest grouping of planets to be seen from Earth for more than 10 years, and will be visible without the need for a telescope. The best opportunity to view this collection of planets is about 45 minutes after sunset.