Free Astronomy Magazine – January-February 2020 Issue Available For Reading And Download

Above: On ancient Mars, water carved channels and transported sediments to form fans and deltas within lake basins. Examination of spectral data acquired from orbit show that some of these sediments have minerals that indicate chemical alteration by water. Here in the Jezero Crater delta, sediments contain clays and carbonates. Credit: NASA/JPL-Caltech/MSSS/JHU-APL The most recent … Continue reading Free Astronomy Magazine – January-February 2020 Issue Available For Reading And Download