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Can Astronomers Use Radar to Spot a Cataclysmic Asteroid?

Can Astronomers Use Radar to Spot a Cataclysmic Asteroid?

A new instrument concept from the National Radio Astronomy Observatory (NRAO) called the next generation RADAR (ngRADAR) system will use the National Science Foundation’s Green Bank Telescope (GBT) and other current and future facilities to support planetary defense efforts.

Massive Gas Clouds Escape Center of Milky Way

Massive Gas Clouds Escape Center of Milky Way

The National Science Foundation’s Green Bank Telescope has discovered over 250 gaseous clouds being blasted out of the center of the Milky Way into interstellar space. A decade ago, astronomers weren’t aware of this phenomenon. It took years of observations, and some surprising finds, to produce this latest result.