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) Thu, 13 Nov 2025 23:51:24 +0000