Magnetic ripple hints Gaspra is metallic

Article Abstract:

Magnetometer readings from the Galileo space probe indicate that the asteroid Gaspra is the metal-rich and magnetized, which makes Gaspra the first small body of the solar system found to have a magnetic field. Gaspra may be a remnant of a body in which metal and rock were separated by heat.

Observations, Asteroids, Galileo Project (Space probe), Gaspra (Asteroid)

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Budgets stall but forecasts jump forward: weather forecasting

Article Abstract:

The National Weather Service plans to extend its current 5-day daily forecasts to 7 days, made possible with more powerful computer models and skilled human insight. However, federal budget pressure may delay the upgrades. The difficulties of computer modeling of weather are described.

Innovations, United States. National Weather Service, Weather forecasting

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New way to hit the hot spot hints at a complex Pacific

Article Abstract:

Marine researchers have developed a method that uses geometry to locate sites of deep-sited volcanism under the Pacific Ocean. The technique plots seamount flow lines to determine hot spot locations.

Pacific Ocean, Natural history, Seamounts, Volcanism, Submarine geology, Marine geology

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