HiRISE Cymraeg: High Resolution Imaging Science Experiment (NASA) https://uahirise.org/cy HiRISE ydi’r camera mwyaf grymus sydd wedi cael ei anfon at blaned arall erioed. Erbyn hyn gallwn ni astudio Mawrth gyda manylder anhygoel sy’n gwbl ddigynsail (MRO/NASA). cy editor@uahirise.org (Ari) Sat, 13 Sep 2025 22:34:23 +0100