ESA's Gaia, HD 164695, and SETI

Scientists working with ESA's Gaia space observatory published the first part of a three-dimensional sky map this week. It'll be the most comprehensive all-sky survey done so far.

Not unexpectedly, this year's 'ET calling' headlines gave way to something slightly more down-to-Earth.

We may eventually pick up an artificial signal from the stars: but that burst of radio noise from the direction of HD 164695 was almost certainly due to a clerical error of sorts. It wasn't our first false alarm, and I doubt it will be the last.

More at A Catholic Citizen in America.

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