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April 30, 2014
- Spiral Galaxy M51
- NASA’s Carbon-Counting Spacecraft Arrives at Launch Site
- Comet 209P/LINEAR in Ursa Major
- NASA Invests in Hundreds of U.S. Small Businesses to Enable Future Missions
- NASA TV to Air U.S. Astronaut Hall of Fame Induction Ceremony May 3
- Hubble Astronomers Use Supernovae to Gauge Power of Cosmic Lenses
- NASA TV to Air U.S. Astronaut Hall of Fame Induction Ceremony May 3
- Alluvial Fans
- Groundbreaking Technology May Add Years to Earth Orbiting Satellites