First, in case you haven't heard: 70,000 Years Ago, Another Star Flew by the Edge of the Solar System | RealClearScience. According to an international team of astronomers, about 70,000 years ago a red dwarf star -- nicknamed "Scholz’s star" for the astronomer who discovered it -- passed by our solar system just 0.8 light years … Continue reading A close pass by a red dwarf star, and a note on interplanetary and interstellar distances
Tag: the solar system
Why is the solar system flat?
Machines Like Us and others linked to this cool video explaining why the solar system is flat. http://www.youtube.com/watch?v=tmNXKqeUtJM I'm not entirely sure the four dimensional stuff was necessary, although it was interesting. One thing to realize though, is that while the solar system is flat, it's not flat in the same orientation as other solar systems, … Continue reading Why is the solar system flat?
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