Difference between revisions of "Light Year"
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==Beyond the Curriculum== | ==Beyond the Curriculum== | ||
{{#ev:youtube|https://www.youtube.com/watch?v=Op3AYaJc0Xw}} | {{#ev:youtube|https://www.youtube.com/watch?v=Op3AYaJc0Xw}} | ||
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+ | ===References=== | ||
+ | ====AQA==== | ||
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+ | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Light year, page 274, GCSE Physics; Student Book, Collins, AQA ''] |
Latest revision as of 09:10, 8 November 2019
Contents
Key Stage 3
Meaning
A Light Year is the distance light can travel in one year in space.
About Light Years
- A Light Year is a distance.
- Scientists use Light Years as a unit for extremely large distances.
- A Light Year is around 9,461,000,000,000,000 metres. Since stars are much further away than this it doesn't make sense to write the distance in metres so scientists use the Light Year.
- The next nearest star to the Earth, after The Sun, is Alpha Centauri which is 4.23 Light Years away.
- Our Solar System is in a galaxy called The Milky Way but the next galaxy, Andromeda is 2,000,000 Light Years away.
Key Stage 4
Meaning
A Light Year is the distance light can travel in one year in space.
About Light Years
- A Light Year is a distance.
- Scientists use Light Years as a unit for extremely large distances.
- A Light Year is around 9,461,000,000,000,000 metres. Since stars are much further away than this it doesn't make sense to write the distance in metres so scientists use the Light Year.
- The next nearest star to the Earth, after The Sun, is Alpha Centauri which is 4.23 Light Years away.
- Our Solar System is in a galaxy called The Milky Way but the next galaxy, Andromeda is 2,000,000 Light Years away.