Sierra Nevada Observatory
Videos
The Sierra Nevada Observatory is located at Loma de Dilar in the Sierra Nevada mountain range, in the province of Granada, Spain; established in 1981. It is operated and maintained by the Instituto de
Closeup of the IRAM radio telescope
The older observatory of Mojón del Trigo, situated at 37°05′27″N 3°22′55″W
The OSN 1.5-metre telescope
How I Killed Pluto and Why It Had It Coming is a 2010 memoir by Mike Brown, the American astronomer most responsible for the reclassification of Pluto from planet to dwarf planet.
Photographic plates requiring manual comparison to find differences
A picture of Eris taken with the Hubble Space Telescope in 2006