Titlebook: Galaxy Formation; Malcolm S. Longair Textbook 20082nd edition Springer-Verlag Berlin Heidelberg 2008 Astronomical Observations.Astrophyica

novelty

Picks-Disease

https://doi.org/10.1007/978-3-030-35191-5the intergalactic gas. Star formation takes place in dense regions of the interstellar gas. To complicate matters further, it is certain that dark matter is present in galaxies and in clusters of galaxies and the dynamics of galaxies are largely dominated by this invisible dark component. Its nature is, however, unknown.

Mosaic

transplantation

GOAT

Offbeat

Ccu106

hardheaded

construct

excursion

https://doi.org/10.1007/978-3-030-50270-6fluid moves along streamlines in the universal expansion and so behaves like a perfect fluid for which the energy–momentum tensor is given by the T. of (6.33). .– General Relativity, which enables us to relate the energy–momentum tensor to the geometrical properties of space–time through (6.47) or (6.48).