... ESO, the European Southern Observatory . ... Survey Telescopes . ... TRAnsiting Planets and PlanetesImals Small Telescope . ... Astronomers have used three telescopes at ESOБЂ™s observatories in Chile to observe the dwarf planet Makemake as it drifted in front of a distant star and blocked its light. ... Previous observations of chilly Makemake have shown it to be similar to its fellow dwarf planets, leading some astronomers to expect its atmosphere, if present, to be similar to that of Pluto. ...