NASA's AIRS images Tropical Storm Barry before landfall

NASA's Atmospheric Infrared Sounder (AIRS), aboard the Aqua satellite, captured imagery of Tropical Storm Barry in the Gulf of Mexico at about 2 p.m. local time on Friday afternoon. According to the National Hurricane Center, ...

Star formation may be halted by cold ionized hydrogen

For the first time ionized hydrogen has been detected at the lowest frequency ever towards the center of our Galaxy. The findings originate from a cloud that is both very cold (around -230 degrees Celsius) and also ionized, ...

Exploring the dusty prehistory of the solar system

The solar system as we know it formed about 4.6 billion years ago as fields of interstellar dust orbiting the sun aggregated into planets and smaller objects. Presolar dust particles no longer exist in the inner solar system, ...

Tropical Storm Ophelia appears as a comma in NASA imagery

Infrared imagery from NASA's Aqua satellite showed powerful thunderstorms around the center of Tropical Storm Ophelia with a band of thunderstorms stretching to the southwest, giving the storm the appearance of a comma.

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