observatory with large building housing a optical telescope. telescope dome above the clouds. telescope on a mountain. roque de

astro astronomy astrophotography astrophysics building caldera canarias canary cumbrecita discovey dome esa europe exploring galaxy gran high island islands islas large location los magic mirror mountain muchachos nacional nasa national newtonian nightsky observatory optical palma park parque physics roque science space taburiente tech technology telescope telescopes telescopio