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• Apr 12, 2018
Today let’s conclude our visualization of the size and scale of space by trying to imagine our place in the Universe. To begin, let’s complete our “cosmic address” by noting that we our located in the Milky Way galaxy which is part of a local cluster of galaxies called, unimaginatively, “The Local Group”. There are about 54 galaxies in the Local Group, which also contains the Andromeda Galaxy, a galaxy that is much like our Milky Way galaxy and can be seen with the naked eye in the constellation of Andromeda.
Distant stars that bear close relation to Earth | Science| In-depth reporting on science and technology | DW dw.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dw.com Daily Mail and Mail on Sunday newspapers.
What 21 stars tell us about the universe
How do you whittle down the 200 billion in our Milky Way galaxy to a mere 21? Focus on the ones that have changed human understanding of the universe, as astronomer Giles Sparrow told DW.
DW: Let s start with the basics: We often talk about stars in the night sky as though we could reach up and touch them. But even the nearest star to Earth is beyond our solar system within our galaxy, the Milky Way, but almost too far to comprehend. When in writing your book A History of the Universe in 21 Stars (and 3 imposters)