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Space

Space. Our Universe. The universe began about 14 billion years ago. After the big bang the universe began to expand and it got bigger and bigger until it is what it is today . A light minute is 60 light seconds and 24 light hours is 60 light minutes.

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Space

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Presentation Transcript

  1. Space

  2. Our Universe The universe began about 14 billion years ago After the big bang the universe began to expand and it got bigger and bigger until it is what it is today A light minute is 60 light seconds and 24 light hours is 60 light minutes The temperature of the universe is 2.735 degrees above absolute zero

  3. Early Astronomers Galileo Galilei 1564 in Piza He discovered 3 of Jupiter's 4 satellites (moons) Astronomers studied without telescopes by studying what the could see with the naked eye The first telescope was the Newtons Reflector Edmond Halley In Greenwich He discovered Halley's Comet A radio telescope is a type of radio antenna used in radio astronomy

  4. A shooting star is the common name for a meteoroid as it enters the atmosphere The milky way is the galaxy that earth and the other planets are in A star is a massive ball of gas held together by gravity Stars A constellation is a group of stars that form together to create pictures A star begins as a collapsing cloud of material once it gets dense enough the materials begin to react and then an explosion happens and the star is formed It takes 8 minutes and 20 seconds for light to travel from the sun to earth it is a distance 148 million kilometres Stars twinkle because of the atmosphere creating the twinkling effect

  5. Meanings of words A red giant is a huge luminous star when it’s very old Abinary star is a star system made of 2 stars orbiting there centre or mass A supernova is a massive explosion that can be brighter than a whole galaxy but quickly fades away and vanishes A global cluster is a collection of stars that orbits a galactic core like a satellite A black hole is a extremely dangerous space vortex that will suck in everything that gets near it and there is no escape A white dwarf is a small star made mostly of electron degenerate matter.

  6. The End

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