Bushfires have destroyed more than 100 properties in Tasmania.
Strong winds up to 70 km/h is making the work of firefighters more difficult to bring several big bushfires under control.
Visible light only forms a small slice of the electromagnetic spectrum centred at yellow – we have evolved to see things the way we do due to the solar peak radiation being somewhere near yellow. Read more
Since the launch of the first Earth observation satellite in 1959, the world has witnessed incredible developments in terms of platform and sensors to observe the Earth. It is now possible to see virtually any part of our planet and distinguish objects the size of a mountain up to the size of a coin. Read more