Hey @Astro_Alex: what's the difference between geophysicist, volcanologist & geologist btw? cc @astro_luca @Astro_Andreas @astro_timpeake
dimanche 8 janvier 2017 à 23:29Hey @Astro_Alex: what's the difference between geophysicist, volcanologist & geologist btw? cc @astro_luca @Astro_Andreas @astro_timpeake