Space
- Created by: Tigerboo10
- Created on: 30-04-14 16:41
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- space
- terms
- moon- a lump of matter that orbits a planet
- planet- a ball of matter that orbits a star
- solar system- a center star orbited by planets
- exoplanet- a planet that orbits a star in another solar system
- galaxy- large cluster of stars
- the universe- consisting of many galaxies separated by empty space.
- star-- a large ball of gas
- light year is a measure of distance, light travels at a speed of 3x10 8
- electromagnetic spectrum
- they carry energy as transverse waves
- can travel through a vaccum
- detection
- radio- aerial microwaves-aerial infrared-blackened thermometer visible light- eye ultraviolet- film xrays- film gamma rays- GM tube
- light- red, orange, yellow,green, blue, indigo and violet. in order of decreasing wavelength and increasing frequency red-700nm violet-400nm
- electromagnetic spectrum
- by comparing the line spectrum and absorption spectrum you can identify the elements in a star
- terms
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