Tag Archives: Oort Cloud

A close pass by a red dwarf star, and a note on interplanetary and interstellar distances

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 … Continue reading

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Voyager spacecraft might not have reached interstellar space

I have to say that I had no idea this was still being debated: Voyager spacecraft might not have reached interstellar space. In 2012, the Voyager mission team announced that the Voyager 1 spacecraft had passed into interstellar space, traveling further … Continue reading

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xkcd: Oort Cloud

xkcd: Oort Cloud. Comet ISON survived its swing by the sun, at least somewhat.

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