Search Results for 'astronomy' | Irish Photo Archive

$The 'equatorial coude' refracting telescope, Paris Observatory, France - aperture 7.5cm. The tube is 'bent' and light fed to the observer by two mirrors, one in front of the telescope and the other at the 'elbow'. Engraving from 'A Handbook of Descriptive Astronomy' by George F Chambers (Oxford, 1890).$

$Computer-generated view of surface of the planet Venus dominated by the volcano Sapas Mons. Lava flows extend for hundreds of kilometres across the fractured plains shown in the foreground. Credit NASA. Science Astronomy$