Europe’s ‘Dark Universe’ Mission Set to Launch This Weekend
Artist’s impression of the Euclid spacecraft. ESA/ATG medialab (spacecraft); NASA, ESA, CXC, C. Ma, H. Ebeling and E. Barrett (University of Hawaii/IfA), et al. and STScI (background) Dark matter continues to confound astronomers, as it remains invisible to direct observation. Despite this, it comprises the majority of the mass in galaxies. Dark energy, an equally …