LGM

American  

abbreviation

Astronomy.

1. Little Green Men: used to label the first pulsar discovered (1967), whose very regular radio waves were thought at first to be an artificial signal from an intelligent alien civilization, until a second pulsar was discovered.

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Example Sentences

To achieve such precision, Rice graduate student and co-author Asmita Banerjee worked in a freezer room, cutting 100-gram chunks of ice taken from ice cores from Greenland and Antarctica that dated to the LGM.

From Science Magazine • Sep. 5, 2022

During the frigid LGM, the upper troposphere dried and cooled, reducing some of the leakage to space and keeping the planet a bit warmer.

From Science Magazine • Sep. 5, 2022

Perhaps instead the ancestors of Indigenous peoples rode out the LGM on the southern coast of what would have been central Beringia.

From Scientific American • Apr. 20, 2021

While most of the region endured dry, freezing weather, pockets of "refugia," or vegetated areas not affected by climate change, remained scattered along the Bering land bridge throughout the LGM period.

From Scientific American • Mar. 13, 2014

Indeed, at the seminar at which they announced their discovery, I remember that they called the first four sources to be found LGM 1—4, LGM standing for “Little Green Men.”

From "A Brief History of Time: And Other Essays" by Stephen Hawking