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The Pennsylvania State University Department of Astronomy & Astrophysics is involved in a variety of observational, experimental and theoretical activities, covering almost the entire gamut of modern astronomy and astrophysics research.

IMDb: The biggest, best, most award-winning movie site on the planet.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

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Discover your ancestors with the world

Twitter is without a doubt the best way to share and discover what is happening right now.

YouTube is a place to discover, watch, upload and share videos.

Create your family tree and invite relatives to share. Search 90 million profiles and discover new ancestors. Share photos, videos and more at Geni.com.

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