Stars light years away: how do we know and measure that? | Science

The post Stars light years away: how do we know and measure that? | Science appeared first on World Today Journal.
#Stars #light #years #measure #Science When NU.nl writes about discoveries in space, you often read how many light-years away something is happening or is located. Readers on NUjij asked how those distances are calculated. That is complicated matter, but we will give you a small introduction. Speed ​​of light There is nothing in the universe […]