{ "148424-21904240": { "datetime_modified":"20260527T094719", "datetime_start":"20260613T120000", "datetime_end":"20260613T170000", "has_end_time":1, "date_start":"2026-06-13", "date_end":"2026-06-13", "time_start":"12:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Saturday Open House", "occurrence_title":"", "combined_title":"Saturday Open House", "event_subtitle":"", "event_type":"Reception \/ Open House", "event_type_id":"17", "description":"Make the Observatory part of your weekend! Tour the historic building, view our exhibits, participate in astronomy activities, and view the sun with our solar telescope (weather dependent). Families welcome, admission is always free. Registration not required.", "occurrence_notes":null, "guid":"148424-21904240@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/148424", "building_id":"1000198", "building_name":"Detroit Observatory", "campus_maps_id":"189", "room":"", "location_name":"Detroit Observatory", "has_livestream":0, "cost":"", "tags":["astronomy","free","history","museums","observing","Science","U-m History","university history","university of michigan history"], "website":"https:\/\/detroitobservatory.umich.edu\/", "sponsors":[ { "group_name":"Judy and Stanley Frankel Detroit Observatory", "group_id":"5385", "website":"https:\/\/detroitobservatory.umich.edu\/" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/05\/event_148424_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/05\/event_148424_original-1.jpg" }, "occurrence_count":6, "first_occurrence":21904240 } , "138950-21900818": { "datetime_modified":"20260427T090939", "datetime_start":"20260613T120000", "datetime_end":"20260613T170000", "has_end_time":1, "date_start":"2026-06-13", "date_end":"2026-06-13", "time_start":"12:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Watcher of the Sky: Making and Remaking the Detroit Observatory", "occurrence_title":"", "combined_title":"Watcher of the Sky: Making and Remaking the Detroit Observatory", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"The Detroit Observatory was once a hub of astronomical discovery that put the University of Michigan on the map as a world-class research institution. A century later, it was an abandoned building with an uncertain future. From cornerstone to keystone, from the first director to the people who saved it from destruction, explore the life of a historic observatory 170 years in the making.\n\n\"Watcher of the Sky\" is being developed by student docents at the Detroit Observatory. Presented by the Judy and Stanley Frankel Detroit Observatory, part of the Bentley Historical Library.\n\n\"Watcher of the Sky\" is now on display at the Detroit Observatory (1398 Ann Street, Ann Arbor, 48109). View the exhibit during the Observatory's open hours:\nThursdays 12-5 pm\nFridays 12-11 pm\nSelected Saturdays 12-5 pm", "occurrence_notes":null, "guid":"138950-21900818@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/138950", "building_id":"1000198", "building_name":"Detroit Observatory", "campus_maps_id":"189", "room":"", "location_name":"Detroit Observatory", "has_livestream":0, "cost":"", "tags":["Astronomers","astronomy","bentley historical library","bentley library","Education","educational","Exhibition","free","history","Museum","museums","Science","U-m History","university history","university of michigan history"], "website":"https:\/\/detroitobservatory.umich.edu\/exhibit\/watcher-of-the-sky-making-and-remaking-the-detroit-observatory\/", "sponsors":[ { "group_name":"Judy and Stanley Frankel Detroit Observatory", "group_id":"5385", "website":"https:\/\/detroitobservatory.umich.edu\/" }, { "group_name":"Bentley Historical Library", "group_id":"2901", "website":"http:\/\/bentley.umich.edu" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/09\/event_138950_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/09\/event_138950_original-1.jpg" }, "occurrence_count":96, "first_occurrence":21884281 } , "124092-21903912": { "datetime_modified":"20260518T100001", "datetime_start":"20260613T120000", "datetime_end":"20260613T124500", "has_end_time":1, "date_start":"2026-06-13", "date_end":"2026-06-13", "time_start":"12:00:00", "time_end":"12:45:00", "time_zone":"America\/Detroit", "event_title":"We Are Stars", "occurrence_title":"", "combined_title":"We Are Stars", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"What are we made of? Where did it all come from? Explore the secrets of our cosmic chemistry and our explosive origins. Connect life on Earth to the evolution of the Universe by following the formation of hydrogen atoms to the synthesis of carbon, and the molecules for life.", "occurrence_notes":null, "guid":"124092-21903912@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/124092", "building_id":"1005169", "building_name":"Museum of Natural History", "campus_maps_id":"646", "room":"Planetarium & Dome Theater", "location_name":"Museum of Natural History", "has_livestream":0, "cost":"", "tags":["Astronomy","Film","Museum","natural history museum","Planetarium","Science"], "website":"https:\/\/lsa.umich.edu\/ummnh\/visitors\/planetarium-dome-theater.html", "sponsors":[ { "group_name":"Planetarium & Dome Theater at the Museum of Natural History", "group_id":"3825", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2024\/12\/event_124092_original-1.jpeg" }, "occurrence_count":63, "first_occurrence":21876238 } , "148482-21904360": { "datetime_modified":"20260529T153655", "datetime_start":"20260613T130000", "datetime_end":"20260613T150000", "has_end_time":1, "date_start":"2026-06-13", "date_end":"2026-06-13", "time_start":"13:00:00", "time_end":"15:00:00", "time_zone":"America\/Detroit", "event_title":"How the Sun Became a Movie Star", "occurrence_title":"", "combined_title":"How the Sun Became a Movie Star", "event_subtitle":"", "event_type":"Tours", "event_type_id":"25", "description":"From stunning eclipse photos to the first motion pictures of the Sun, explore the fascinating history of solar research at U-M. 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Registration and payment are required a minimum of two weeks prior to the start of the course.\n\nFounded in 1948, the Summer Institute in Survey Research Techniques is designed specifically to meet the needs of professionals and graduate students seeking to deepen their expertise in survey methodology and data collection. Offered through the Michigan Program in Survey and Data Science within the Institute for Social Research at the University of Michigan, the program provides a rigorous and flexible curriculum that blends theoretical foundations with practical application \u2014 entirely online.\n\nSampling in Practice\n\nUnlocking the art and science of sampling with an applied, hands-on approach, the course Sampling in Practice is designed for applied practitioners who want to master real-world sampling techniques through active learning and practical programming. Students will learn about probability sampling methods, including simple random sampling, stratification, systematic selection, cluster sampling, probability proportional to size sampling, and multistage sampling. We will also cover sampling cost models, sampling error estimation techniques, non-sampling errors, missing data, and nonprobability samples. The course emphasizes practical implementation, featuring interactive coding exercises and in-class examples to reinforce each concept. A culminating project will give students the opportunity to integrate multiple techniques into a comprehensive sample design and demonstrate the profession in designing surveys, selecting subjects, analyzing sample data, and solving real sampling problems using modern statistical tools.\n\nWhy take this course? \n\nThe course is crafted for students and practitioners eager: \n\nTo build proficiency in modern sampling techniques through active engagement and practical coding experience\nTo understand the basic ideas, concepts and principles of probability sampling from an applied perspective\nTo be able to identify and appropriately apply sampling techniques to survey design problems\nTo understand and be able to assess the impact of the sample design on survey estimates\nTo be able to compute the sample size for a variety of sample designs\nTo learn how to design and select a probability sample involving complex sampling techniques in a survey project, and receive expert feedback on a sampling report. \n\nYajuan Si is a Research Associate Professor in the Michigan Program in Survey and Data Science, located within in the Institute for Social Research at the University of Michigan. She holds a Ph.D. in statistical science from Duke and received postdoctoral training at Columbia. Yajuan\u2019s research focuses on methodology development, from data analysis to study design, in streams of Bayesian statistics, linking design- and model-based approaches for survey inference, data integration, missing data analysis, confidentiality protection, and causal inference, with applications in the social and health sciences. 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