Documents Russell Johnston Dept of Physics and Astronomy University of Glasgow.

Russell Johnston Dept of Physics and Astronomy University of Glasgow Edwin Hubble Hubble measured the shift in colour, or wavelength, of the light from distant galaxies.…

Documents Surveying the Universe

Russell Johnston Dept of Physics and Astronomy University of Glasgow Edwin Hubble Hubble measured the shift in colour, or wavelength, of the light from distant galaxies.…