Halley’s Comet, also called 1P Halley, will reach its farthest point from the sun and then again begin its long journey back towards the inner solar system.
Halley's Comet is one of the most well-known comets in the world.
It visits us every 75 to 79 years, and like other comets, appears in the night sky when it reaches close to the sun.
The comet, which is now reaching its aphelion, is not going to be visible to earthlings for almost another 40 years.
It will come closest to the sun again on July 28, 2061.