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Black and white photo of Helen Sawyer Hogg standing next to a large telescope in an observatory. She is wearing a dark dress with short sleeves, a necklace, and a lapel pin that appears to be flowers but may be stars. The dome of the observatory appears to be open, because part of the wall behind her seems to illuminated. She holds a journal or magazine in her hands, and is looking to the right of the photographer.

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Black and white photo of Helen Sawyer Hogg standing next to a large telescope in an observatory. She is wearing a dark dress with short sleeves, a necklace, and a lapel pin that appears to be flowers but may be stars. The dome of the observatory appears to be open, because part of the wall behind her seems to illuminated. She holds a journal or magazine in her hands, and is looking to the right of the photographer.
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Robert McNees (mcnees@mastodon.social)'s status on Friday, 02-Aug-2024 03:12:46 JST Robert McNees

Astronomer Helen Sawyer Hogg was born #OTD in 1905. She was an authority on variable stars and globular clusters, and a pioneer of communicating science to the public.
Image: University of Toronto, Department of Astronomy and Astrophysics

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