You will understand that galaxies and clusters of galaxies can act as gravitational lenses. You will understand that many astrophysical lenses are complex in nature. You will understand that lensing s...You will understand that galaxies and clusters of galaxies can act as gravitational lenses. You will understand that many astrophysical lenses are complex in nature. You will understand that lensing suggests that most of the mass of galaxies and galaxy clusters is dark. You will understand that lensing provides an independent and distinct prediction of dark matter than does star , gas or galaxy motions based upon Newtonian dynamics.
You will understand that galaxies and clusters of galaxies can act as gravitational lenses. You will understand that many astrophysical lenses are complex in nature. You will understand that lensing s...You will understand that galaxies and clusters of galaxies can act as gravitational lenses. You will understand that many astrophysical lenses are complex in nature. You will understand that lensing suggests that most of the mass of galaxies and galaxy clusters is dark. You will understand that lensing provides an independent and distinct prediction of dark matter than does star , gas or galaxy motions based upon Newtonian dynamics.
