Posts by kevinwagner


I sat down on my third flight of the day, and the last that I would be taking to the big island of Hawaii on my way to the Mauna Kea observatories. The passenger with the seat adjacent to mine followed and sat down. My step-mom was a flight attendant, so flying is strictly routine to me by now. I typically slouch into my headphones when I sit down, not to arise until the plane is back on the ground. However, I usually spend at least a...

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We know of a lot of exoplanets. Most, though, we know of only by indirect means – typically via the planet occulting some of the starlight during an eclipse or changing the star’s velocity due to the planet’s own gravity. As of today (June 29, 2016) the exoplanet database lists 2,933 confirmed planets, with another 2,504 probable candidates, totaling to about 5,000 bona fide planet detections. Of these, only seven have been...

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