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Stars

Use these free online resources before or after your visit to further explore themes presented in the Journey to the Stars space show.

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Online Resources

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Image Gallery

In Pictures: Journey to the Stars

In the Milky Way Galaxy alone, there are hundreds of billions of stars. But that hasn't always been the case... Take a look at the life cycle of stars in this photo gallery.

Stargazing

Hands-on Activity

Stargazing

There are thousands of stars in the night sky. Hidden among them are constellations and planets. How many can you find? Record your sightings in a stellar sky journal.

Build-the-Big-Dipper

Hands-on Activity

Build the Big Dipper

To see what the Big Dipper would look like from outer space, build a mobile!

Interferometry

Science Bulletin

Interferometry: Sizing Up the Stars

If technology, cost, and terrain permitted, scientists seeking key data on stars in our galaxy would have loved to construct a behemoth 330 m wide telescope atop Mount Wilson, just northeast of Los Angeles. Instead, they arranged six smaller telescopes over an identical area, synchronizing the light to achieve an equally superlative resolution. Called the Center for High Angular Resolution Astronomy (CHARA), the array uses the technique of interferometry to spot details the size of a nickel seen from 16,000 km away. Hear from project astronomers why the labyrinthine engineering required for CHARA's renowned precision is a small sacrifice for the valuable data it gleans on the properties and life cycles of stars.

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Science Bulletin

Sloan Digital Sky Survey: Mapping the Universe

Taking a census of all the luminous objects in one-quarter of the visible cosmos is a hefty accounting job. It takes a specially-built telescope on task every clear night for eight years, wielding one of the biggest digital cameras on the planet. Over a hundred million stars, galaxies, and quasars have been tallied so far. Meet the astronomical observers and theorists set on divining the three-dimensional structure and origins of the Universe from these unprecedented scores of data.

The-Milky-Way-Galaxy

Article

The Milky Way Galaxy

If you think of the entire galaxy as a giant pizza, all the stars you can see from Earth fall within about one pepperoni on that pizza. Find out more fun details about the Milky Way Galaxy. 

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