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Earth's Wobble Fixes Dinner for Marine Organisms
Topic: Spaceship Earth
Summary: A new study shows that the production of nutrients essential to ocean health on Earth is tied to the cyclic wobbling of our planet on its axis.

Earth From Saturn
Topic: Spaceship Earth
Summary: Color and black-and-white images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space.

Supernova Left Its Mark in Ancient Bacteria
Topic: Spaceship Earth
Summary: Scientists have discovered that sediment in the deep-sea may hold radioactive iron from a supernova that happened 2.2 million years ago. The remnants of the stellar explosion may be preserved in fossilized remains of iron-loving bacteria.

A New Radiation Belt Around Earth
Topic: Spaceship Earth
Summary: NASA's Van Allen Probes mission has discovered a previously unknown third radiation belt around Earth. The belts are critical regions for modern society, which is dependent on many space-based technologies.

How Changes in the Sun Impact Earth's Climate
Topic: Spaceship Earth
Summary: A new report describes some surprisingly complex ways in which the Sun affects Earth's climate. Radiation from the Sun impacts everything from the Earth's upper atmosphere down to our planet's surface, and plays in important role in shpaing the future of life on Earth.

Did an 8th Century Gamma Ray Burst Zap Earth?
Topic: Spaceship Earth
Summary: The presence of high levels of the isotope carbon-14 and beryllium-10 in tree rings may indicate that a nearby, short-duration gamma-ray burst irradiated the Earth in the 8th century.

Earth's Magnetosphere Acts Like a Sieve
Topic: Spaceship Earth
Summary: The Cluster mission has discovered that Earth's protective magnetic bubble lets the solar wind in under a wider range of conditions than previously believed.

NASA Launches Mission to Radiation Belts
Topic: Spaceship Earth
Summary: NASA's Radiation Belt Storm Probes mission has launched from Cape Canaveral. The twin-spacecraft mission will study the radiation belts, providing important information about the connections between the Sun and the Earth.

New Mission Ready to Brave Earth's Radiation Belts
Topic: Spaceship Earth
Summary: NASA's Radiation Belt Storm Probes (RBSP) mission will send two spacecraft into the harsh environment of our planet's radiation belts.

The Electric Atmosphere
Topic: Spaceship Earth
Summary: Scientists have designed a new suite of instruments that will help us better understand how Earth's protective atmosphere helps protect life as we know it from electrified particles that dominate the Universe.

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