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We're not a museum. We're 21 of them! (Plus a zoo & 9 research centers.) Find visiting info at si.edu/visit | Legal: s.si.edu/legal
EducationWashington, DCsi.eduBorn August 10Joined March 2008

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What's in the air we breathe? Led by scientists at the , the will be the first space-based instrument to monitor major air pollutants hourly at high spatial resolution across greater North America.
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What are you looking forward to this new year? We're looking forward to the launch of our TEMPO instrument! 🤩 After more than a decade of work, TEMPO will finally orbit the Earth and return valuable information about what's in the air we breathe. 🌎
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In 1912, Helen Taft donated her inauguration dress to the museum's exhibition, and her choice set a precedent for future first ladies. Learn more about Dr. Biden’s inaugural attire and the tradition of collecting and displaying inaugural gowns:
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Today, First Lady Jill Biden visited our to present the dress and coat ensembles she wore to both the 2021 presidential inauguration day and evening celebrations to the collection. You can see them both now in the "First Ladies" exhibition.
Two ensembles worn by Jill Biden for the 2021 inauguration. From left: white dress with embroidered flowers decoration arms and neckline. White cloth mask with embroidered flowers on one side. White coat with embroidered flowers along hemline
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The Smithsonian Institution Building—known as the Castle—will close Feb. 1 for its first major renovation in more than 50 years. The renovation is expected to last about five years. The Enid A. Haupt Garden will remain open, and we will have expanded online visitor services.
Red stone Smithsonian Castle building, with a large green garden and brick paths in front of it
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We remember Barbara Walters. She redefined the role of women on TV news. She started at CBS as a producer and writer in the 1950s. She went on to tackle serious topics and interview world leaders. 📸: Lynn Gilbert, 1980. , Smithsonian Institution.© Lynn Gilbert
Photograph of a woman in a sweater from the waist up. Her arms are crossed and rest on a desk. She looks straight on at the viewer. A filled bookcase is behind her.
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Calling all pop culture fans! See your favorites from our 's theater, music, sports, TV and movie collections in a new wing full of entertainment history. 1️⃣Dorothy’s ruby slippers 2️⃣Muhammad Ali's robe 3️⃣Bill Nye’s lab coat 4️⃣Selena Quintanilla-Pérez's costume
Well-worn low kitten heels with bow, covered in ruby sequins.
White boxing robe with text “Muhammad Ali” in all caps on back.
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