Author Topic: A cosmic Catherine wheel (Read 537 times)

islander · « **on:** October 27, 2015, 07:34:02 PM »

A cosmic Catherine wheel! Hubble captures dazzling image of a swirling starburst galaxy that lies 16 million light-years away

The image shows the galaxy Messier 94, which lies in the small northern constellation of the Hunting Dogs. Within the so-called starburst ring, new stars can be seen forming at a rapid rate. Experts say the cause of this peculiarly shaped star-forming region is likely a pressure wave going outwards from the centre of the galaxy, compressing the gas and dust in the outer region.

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islander · « **Reply #1 on:** October 27, 2015, 07:37:56 PM »

The Catherine wheel or pinwheel is a type of firework consisting of a powder-filled spiral tube, or an angled rocket mounted with a pin through its centre. When ignited, it rotates quickly, producing a display of sparks and coloured flame.

The firework is named after Catherine of Alexandria who, according to Christian legend, was condemned to death by â€œbreaking on the wheelâ€. When she touched the wheel it miraculously flew to pieces.

The largest Catherine wheel ever made was designed by the Lily Fireworks Factory of Mqabba, Malta. The Catherine wheel had a diameter of 32.044 m (105 ft 1.6 in), and was lit on 18 June 2011, the eve of the annual feast of Our Lady of the Lilies.

Catherine wheel at Qala, Malta

wikipedia

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MikeLigalig.com

Author Topic: A cosmic Catherine wheel (Read 537 times)

islander

A cosmic Catherine wheel

islander

Re: A cosmic Catherine wheel