Tag Archives: mike brown

Planet 9 Follow-Up

Posted on January 28, 2016 by Alex R. Howe

Where it is, where it came from, and why there’s a chance it’s not there at all. Last week, I wrote about the not-quite-discovery of a ninth planet in our Solar System (and I don’t mean Pluto), way, way beyond … Continue reading →

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Planet 9: A New Planet in Our Solar System?

Posted on January 21, 2016 by Alex R. Howe

“In my day, Pluto was a Planet!” said everyone over the age of…15 or so. Pluto was demoted from planet status ten years ago (a decision I do agree with–see here), and now we only have eight planets–or do we? … Continue reading →

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Why Pluto Really Shouldn’t be a Planet

Posted on August 1, 2015 by Alex R. Howe

(But the IAU is Wrong, Too.) In 2006, the International Astronomical Union (IAU) voted that Pluto was not a planet, just months after the New Horizons spacecraft was launched with a mission to…visit the last planet that had never been … Continue reading →

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