Representative SEM images of jarosite synthesized at 25 °C (Fe2+ oxidation) and under hydrothermal conditions (Fe3+ hydrolysis). For each halogen-bearing group, the sample with the highest halogen content is shown.

Very Large Array — NRAO The history of astronomical discovery shows that many of the most detectable phenomena, especially detection firsts, are not typical members of their broader class, but

Diversity in sub-Neptune transmission spectra. a. The JWST transmission spectra of TOI-270 d12, K2-18 b9 , and LP 791-18 c are shown with their 1σ error bars and respective best-fit

Processes occurring in the protocell at each time step. Continuous arrows show polymers being produced, segmented arrows show peptide catalysis of CO2 fixation and templated polymerisation, and dotted arrows indicate

Tracking The Evolution Of Planetary Systems And Planets The spring school “Tracking the evolution of planetary systems and planets” which is co-organised by the COST Action “The birth of solar