NASA’s Perseverance Mars rover has just collected its 26th sample, named "Silver Mountain", and NASA has confirmed not only does it have curious textures "unlike anything we've seen before" but ...

Calcium content determines the peak intensity ratio due to iron ions at Mössbauer spectra in pyroxene. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 10 ...