Weather Glossary - X

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X-rays

The portion of the electromagnetic spectrum that has a very short wave length. It has a wavelength longer than gamma rays, yet shorter than visible light. X-rays can penetrate various thicknesses of all solids, and when absorbed by a gas, can result in ionization.

Xenon

An inert gas that occurs at extremely low concentration in the atmosphere.

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Perth weather set for another weekend washout with heavy rain on the way

16:39 EST

A winter deluge that is set to smash Perth's June rainfall average will coincide with the shortest day of the year to deliver a wet, gloomy and blustery weekend for the city.

'Plant factories' needed to grow more food as world population heads towards 10 billion by 2050

14:26 EST

Scientists are exploring taking crops out of the field and growing them in warehouses to develop new varieties capable of feeding 10 billion people by 2050.

More rain on the horizon for Perth

12:15 EST

It's going to be a wet weekend in Perth, as a cold front brings a burst of wind and rain to Western Australia.