When I go out photographing the night sky, I tend to spend a lot of time looking up trying to get my head around the vastness of space…it's really is incomprehensible when you think of how big space really is so I thought I’d list a few facts with this photo.
- The nearest star to our own Sun is Proxima Centauri, and that is 40 trillion km away.
- The Large Magellanic Clouds, which is can be seen near the centre of this photo, is an irregular dwarf galaxy 158,200 light years from earth. Now light travels at 300,000km per second, so you can just imagine how far away the Large Magellanic Cloud is when light travels that fast for 158,200 years…and that is a relatively close distance compared to the scale of our universe!
- The visible universe stretches out to around 13 billion light years from earth and contains around 100 billion galaxies. And each one of those galaxies contain around 100 billion stars - that means the visible universe contains something like 10,000 million million stars. And if you want to attempt to even put that into perspective…well basically there are more stars in the visible universe than there are grains of sand on our earth!
Source - https://www.youtube.com/watch?v=AC7yFDb1zOA
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