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CATEGORY: Mysteries of the Universe

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Activities & Games

Cloud Dreamer

Create your own design for a cloud and send it up to the sky.

Geography from Space Quiz

Test your geography knowledge with this online quiz.

IdeaLabs

How deep is the ocean? How high is the moon? How big is the universe? How old are the ancient Greek myths? Check out Smithsonian IdeaLabs to find answers.

Sizing Up the Universe

Choose objects, like a basketball, to represent objects in the universe and use these to explore relative sizes in outer space.

Smithsonian Channel App

Stay connected with Smithsonian Channel’s original series, documentaries and fun facts — on the go, anytime, anywhere with the Smithsonian Channel app for iPhone and iPod Touch. View full episodes and hundreds of video clips of your favorite Smithsonian Channel programs. Check the schedule for what’s on tonight, tomorrow or next week.

Blog

Air and Space Stories

Top stories from the National Air and Space Museum.

Chandra X-Ray Observatory Blog

Get to know the people involved in this ongoing scientific mission to observe X-rays from high-energy regions of the universe.

Smithsonian Collections Blog

Highlights of the hidden treasures among the more then 2 million Smithsonian collections online.

Smithsonian Insider

Smithsonian Insider shares with you the astounding and diverse work being conducted by the Smithsonian around the world.

STEMVisions

Highlights ideas, best practices, research, and successes in science education.

The Affiliate

News about our Affiliates, exhibitions, and programs.

The Q? Blog

Blog from Q?rius (pronounced curious), a unique, interactive science education space and a whole new way for teens and tweens to discover science and the natural world.

Unbound: Smithsonian Libraries Blog

Connecting, ideas, information and you.

Online Exhibition

A New Moon Rises: New Views from the Lunar Reconnaissance Orbiter Camera

A New Moon Rises showcases breathtaking images from Apollo landing sites to majestic mountains that rise out of the darkness of the lunar poles. The 61 large prints presented in this exhibition reveal a celestial neighbor that is surprisingly dynamic, full of grandeur and wonder.

African Cosmos: Stellar Arts

See some 90 African art objects that were inspired by astronomical observations and phenomena, including rainbows and eclipses.

Apollo to the Moon

This gallery traces NASA's manned space program beginning with Project Mercury's Freedom 7 (5/5/61); then the Gemini Project (1965-66); followed by the Apollo Program (1967-1972), with Apollo 17 as the last manned exploration of the moon.

Blast from the Past

This showcase features a 11.5-meter tubular core sample that shows physical and biological effects of Earth's collision with a giant asteroid 65 million years ago, which resulted in the extinction of the dinosaurs.

Chasing Venus: Observing the Transits of Venus, 1631-2004

Through books, manuscripts, and period scientific instruments, this exhibition examines the 'transit of Venus', the scientific and nationalist debates of the day, and explains the event's significance today.

Cosmos in Miniature: The Remarkable Star Map of Simeon De Witt

This exhibition features the oldest surviving Anglo-American star map, hand-drawn by Simeon De Witt, surveyor for George Washington.

Earth from Space

See precise, up-to-date images captured by high-tech satellites, used by geologists, meteorologists, and other scientists to study how the Earth changes from day to day and year to year.


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