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Space Science #1

astonomer people who study objects in space
big bang theory a rapid expansion of space in a tiny mass, about 13.7 billion years ago
calestial bodies a term for all the objects in the sky
cosmological red shift when wave lengths are stretched
electromagnetic radiation energy that is carried ir radiated in waves
red shift receding from earth
spectroscope an instrament that separates light into it's basic component colours
spectrum a pattern of colours
radiation transformation of energy to waves
Edwin Hubble universe has many galaxies and galaxies seem to be moving away
doppler affect compressing of energy waves on an object and stretches them when they move farther away
electromagnetic spectrum types of energy that is moved by waves