can detect P1.1.8 recall that light travels through space (a P1.1.3 Recall that all electromagnetic vacuum) at a very high but finite speed, radiation is transmitted through 300000km/s space with the same very high (but finite) speed P1.1.9 recall that a light-year is the distance NA NA travelled by light in a year P1.1.1 understand that the finite speed of light NA NA means that very distant objects are observed as they were in the past, when the light we now see left them P1.1.1 understand how the distance to a star NA NA can be measured using parallax (qualitative idea only) P1.1.2 understand how the distance to a star NA NA can be estimated from its relative brightness P1.1.3 understand that light pollution and other NA NA atmospheric conditions interfere with observations of the night sky P1.1.4 explain why there are uncertainties NA NA about the distances of stars and galaxies with reference to the nature and difficulty of the observations on which these are based and the assumptions made in interpreting them P1.1.5 understand that the source of the P6.5.6 explain how the Sun was formed Sun’s energy is the fusion of hydrogen nuclei when collapsing cloud of dust and gas resulted in fusion reactions, leading to an equilibrium between gravitational collapse and expansion due to the fusion energy P1.1.6 understand that all chemical elements NA NA with atoms heavier than helium were made in stars P1.1.7 understand that the redshift in the light P6.5.7 explain the red-shift of light from coming from them suggests that distant galaxies which are receding galaxies are moving away from us qualitative only P1.1.8 understand that (in general) the further P6.5.8 explain that the relationship away a galaxy is, the faster it is moving between the distance of each away from us galaxy and its speed is evidence of an expanding universe model
can detect P1.1.8 recall that light travels through space (a vacuum) at a very high but finite speed, 300000km/s P1.1.3 Recall that all electromagnetic radiation is transmitted through space with the same very high (but finite) speed P1.1.9 recall that a light-year is the distance travelled by light in a year NA NA P1.1.1 understand that the finite speed of light means that very distant objects are observed as they were in the past, when the light we now see left them NA NA P1.1.1 understand how the distance to a star can be measured using parallax (qualitative idea only) NA NA P1.1.2 understand how the distance to a star can be estimated from its relative brightness NA NA P1.1.3 understand that light pollution and other atmospheric conditions interfere with observations of the night sky NA NA P1.1.4 explain why there are uncertainties about the distances of stars and galaxies with reference to the nature and difficulty of the observations on which these are based and the assumptions made in interpreting them NA NA P1.1.5 understand that the source of the Sun’s energy is the fusion of hydrogen nuclei P6.5.6 explain how the Sun was formed when collapsing cloud of dust and gas resulted in fusion reactions, leading to an equilibrium between gravitational collapse and expansion due to the fusion energy P1.1.6 understand that all chemical elements with atoms heavier than helium were made in stars NA NA P1.1.7 understand that the redshift in the light coming from them suggests that distant galaxies are moving away from us P6.5.7 explain the red-shift of light from galaxies which are receding qualitative only P1.1.8 understand that (in general) the further away a galaxy is, the faster it is moving away from us P6.5.8 explain that the relationship between the distance of each galaxy and its speed is evidence of an expanding universe model
Physics%20final.docx