1st July 2013 Hippocamp, a moon of Neptune, is discovered. With a diameter of approximately 35 kilometres it is the smallest moon that...

DID YOU KNOW This month . . . The Kuiper Belt. Home to short period comets and icy bodies in the far reaches of our solar system. The ...

7th November 1631 A transit of Mercury occurs. Many astronomers set up to capture Mercury's movement in front of the Sun. However only...

There are two equinoxes every year. The March equinox also known as the autumnal equinox, and the September equinox or the spring...

The disc shaped asteroid belt is located between Mars and Jupiter at a distance ranging from 329-478 million kilometres from the Sun. ...

in our solar system The most tilted planet… Uranus has the largest tilt with an axial tilt of about 98 degrees. Its north pole is nearly...

Happy New Year! Elizabeth Cocking continues this astronomical blog post sequence in 2023. Each month she looks back on astronomical...

We’re all familiar with rainbows and the elusive pot of gold at the end. But our neighbour the Moon is also capable of producing the same...

"I set out to observe as many Solar System objects as I could..."

13th August 1898 The asteroid Eros is discovered by the German astronomer Gustav Witt at the Urania Observatory in Berlin, and...