NASA’s DAWN orbiter uses an ion engine to survey dwarf planet Ceres and the asteroid Vesta. Astrophysicists and scientists launch a balloon carrying a 5,000-pound telescope into the stratosphere over Antarctica. NASA tests its Orion parachute system over an Army bomb range. A scientist examines rock samples and oxygen molecules to study the “Great Oxidation Event” of the Earth 2.5 billion years ago.

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About Catalyst:

Catalyst is an Arizona PBS series that explores cutting-edge research at Arizona State University and its potential impact on the world. The program is produced by students at the Walter Cronkite School of Journalism and Mass Communication at ASU under the guidance of Executive Producer Steve Filmer, an award-winning television producer whose credits include ABC World News Tonight and Good Morning America. Catalyst is supported by the ASU Knowledge Enterprise.

The ASU Knowledge Enterprise is a new model for the 21st century global research university that takes a transdisciplinary, solutions-focused and entrepreneurial approach in all of its activities. For a deeper dive into the breakthroughs happening at ASU, visit

Arizona PBS is one of the nation’s leading public media organizations, with four broadcast channels and a growing array of digital platforms. A trusted community resource for more than 55 years, our station fosters lifelong learning through quality programming, in-depth news coverage and critical educational outreach services. Our signal reaches 80 percent of homes in Arizona, delivering news, science, arts and children’s programming to 1.9 million households each week. Arizona PBS is a member-supported community service of Arizona State University, based at the Walter Cronkite School of Journalism and Mass Communication in the heart of downtown Phoenix.

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