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BL Lacertae

"Twinkle, twinkle quasi-star
Biggest puzzle from afar
How unlike the other ones
Brighter than a billion suns
Twinkle, twinkle, quasi-star
How I wonder what you are."
- George Gamow, "Quasar" 1964.

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P Cygni

P Cygni from the 
Second Digital Sky Survey
A one-degree field of view image of P Cygni, taken from the Second Digital Sky Survey, combining the blue, red, and near-infrared plates in false color (Image courtesy
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FU Orionis

All in the FUor Family

Image of FU Ori obtained by Cesar Briceño (Centro de Investigaciones de Astronomia (CIDA), Merida, Venezuela) with the 1.2-m telescope at the Fred Lawrence Whipple Observatory, Mt.
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T Tauri

An Interesting Neighborhood to Live In

The variable star T Tauri was discovered on an October night in 1852 by John Russell Hind. Hind, a noted asteroid hunter, is credited with having discovered 11 minor planets, as well as Nova Ophiuchi 1848 and R Leporis (also known as Hind's Crimson Star).

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