Paesta Podcasts

You Asked, We Answered! Transcript of the podcast For many years, we have been fascinated by the possibility of life on other planets. So it was shocking when it came out that scientists have found planets similar to Earth. However, that's not as jaw dropping as when the announcement made by NASA, the National Aeronautics and Space Administration, that they may be water on Mars. A University of Arizona student, Lujendra Ojha, rather surprisingly made the discovery by noticing dark lines on photos of Mars, taken by the High Resolution Imaging Science Experiment (HiRise). After bringing them to her professor’s attention, they soon realized that the lines were caused by running water. [1] The HiRise experiment involved using a high resolution imaging camera to take pictures of 1% of the Martian surface on Mars for a two year period. [3] Alfred McEwen, a planetary scientist at the University of Arizona, suggested that the lines are made by salt water because it is cable of staying in a liquid form