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March 8, 2020

Blamed for turning Bruce Banner into the Incredible Hulk, Gamma Rays and Gamma Ray Bursts are the most energetic and luminous electromagnetic events since the Big Bang.

There is more energy released in a few short seconds of a Gamma Ray Burst than will be released by the Sun in its entire lifetime.

Gamma rays have the sm...

January 6, 2019

Our first club meeting is on Monday 4 February at 6:30pm, with a presentation by Lesa Moore about astrobiology.

The Oldest Star: One of the oldest stars is HE 1523-0901, often dubbed “The Methuselah Star”, a red giant star approximately 7,500 light years from Earth. It is thought to be 13.2 billion years old, almost as...

August 29, 2018

This month we feature…. Asteroids

Asteroids come in all shapes and sizes, from the almost spherical to irregular like Eros which is shaped like a potato. The largest asteroid is Ceres at 940 km, the smallest is 2015 TC25 a 2 metre piece of space rock.

If all the 600,000 known asteroids were combined their mass would be l...

July 1, 2018

This month we feature…. Nebula (plural Nebulae) Latin for “cloud”. The image above is of the great Orion Nebula - this is an object you can easily see through a  telescope this month.

Nebulae are enormous. They may stretch over hundreds of light years across. The closest nebula to Earth is the Orion nebula at a distance...

June 1, 2018

This month we feature …. The Constellations  (latin for “set of stars”)

There are 88 constellations in the western astronomy night sky (other cultures have different constellations). The largest constellation, Hydra the sea serpent, takes up 3% of the sky, the smallest is Crux the Southern Cross which takes up 0.17% of...

May 1, 2018

The Earth is not a sphere ! It is an oblate spheroid. Due to its rotation it bulges out at the equator about 43 km more than at the poles. If you stood at either pole you would be about 22km closer to the centre of the Earth.

Saturn’s rings are not solid. They are made up of particles of ice, dust and rock – some as tin...

March 3, 2018

All of Uranus’ moons (NASA image above taken by Voyager) are named after characters from Shakespeare and Alexander Pope plays. For example, the Juliet and Portia are the names of two of the moons.

Every year the Moon moves away from the Earth by 3.8 centimetres. In approximately 500 million years from now it will not be...

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March 31, 2020

February 3, 2020

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