Science Gr 5
Terms
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- astronomer
- A sicentist who studies the universe.
- astronomical unit
- A unit of measure equal to the average distance between the earth and the sun.
- constellation
- A group of stars named for an object,person,or animal.
- galxay
- stars,dust,and gases held together by gravity.
- ligth year
- the distance ligth travels in one year.
- magnitude
- A way to measure the brigthness of a star
- observatory
- A place where astronomers study the sky.
- radio telescope
- A telescope that gathers radio waves from objects in space.
- reflecting telescope
- A telescope that uses mirrors to gather ligth.
- refracting telescope
- A telescope that gathers light with a lens.
- satellite
- An object that circles another object in space.
- space probe
- an unmanned craft sent into space; space probes do not orbit planets or other bodies.
- universe
- everything in space.