Monthly Archives: February 2021

Annie Jump Cannon and the Creation of Stellar Classification

by Athena Basu Many of you are probably familiar with the Harvard System of Stellar Classification. In this system, the O B A F G K M sequence groups stars in terms of apparent color and effective/surface temperature. O describes … Continue reading

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Meet our new member Lisa Ann Fanning

My name is Lisa Ann Fanning – I live in Marlboro Twp., NJ. I have been very casually observing since 2019. My husband, Rob  and I, are avid birders, so my beginning efforts have been utilizing a Swarovski 65mm spotting scope … Continue reading

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Snippets

compiled by Arlene & David Kaplan Did an Alien Life-Form Do a Drive-By of Our Solar System in 2017? On Nov. 12, 2018, Avi Loeb, then the chairman of the astronomy department at Harvard, and a young research associate, Shmuel … Continue reading

Posted in February 2021, Sidereal Times | Tagged , | Leave a comment