New findings support, but do not prove, that life may exist on Enceladus. Instruments on Cassini have detected large organic molecules, between 15 – 150 carbon atoms, that are being released into space. Fragments of organic-rich dust grains were analysed; smaller molecules by the Ion and Neutral Mass Spectrometer and… Read More
The three most important greenhouse gases in the atmosphere are carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). Methane and nitrous oxide have greater global warming potential (GWP) when compared with carbon dioxide, which has a GWP of 1. Methane has a GWP of 25 for a 100-year period… Read More
Our Changing world, produced by Alison Balance and available on RadioNZ and as a podcast, can be heard every week and is full of interesting articles. One of the latest can be found at https://www.radionz.co.nz/…mapping-the-world-s-sea-floor and talks about mapping the seafloor around New Zealand. “We’ve mapped Mars,… Read More