Science in Science Fiction: seasons

Here is another article in my science in science fiction series. The concept of a year divided into four equal parts–spring, summer, autumn and winter–is a northern European one, and the images that go with these seasons are even more so. The northern European seasons are determined by the position…

Continue reading

Looking at the Earth through different eyes: the GRACE mission

Adapted from a talk given at #CSIROTweetup by Dr Daniel Shaddock (laser systems) Dr Paul Tregoning (geo data) ANU, supplemented with data from the GRACE mission home page. Image snarfed from the NASA/JPL GRACE page Most people associate going into space with exploring objects not on Earth, but many satellites…

Continue reading