When Gustav Holst finished his iconic work "The Planets" in 1917, Pluto had yet to be discovered. Six years ago, British composer Colin Matthews was commissioned to round out the set. He called his ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When I need to remember the order of the planets I recite the phrase ...
In 2006, astronomers gathered in Prague to consider a very basic question: How many planets are in our solar system? Was it nine, or was it actually eight, or perhaps as many as 12? By the end of the ...
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