Many varieties, including giant spheroids, magnificent spiral disks of grand design, and irregulars that look like galactic-scale train wrecks. Consequently, the current chapter mainly provides an. Observational cosmology by Stephen Serjeant. Relativistic cosmology, setting the scene for further and ongoing studies of observational cosmology. The Friedmann equations and cosmic evolution. We already know a lot about how the Solar System came about.Ĩ.2.3 The cosmic geometry of space and spacetime. So what are we trying to find out? We have 8 separate projects, from exoplanets and stars to distant galaxies. Our group is based in the Department of Physical Sciences at the OU. We use purpose-designed laboratories and instruments, and instruments on telescopes and spacecraft to make our observations and measurements. We do this research by observation, laboratory experiments, simulations and modelling. ![]() Our research programme, Astronomy at the Open University, covers the breadth of cosmic evolution, from dark energy to the birth of planets.
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