The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed LGM, later LGM-1 (for "little green men"). [6] The original designation of this pulsar was CP 1919, which stands for Cambridge Pulsar at …

2017年11月28日 · For those reasons, Bell Burnell, Hewish and some other members of the astronomy department had to acknowledge that they might have found an artificially created signal — something emitted by an...

2018年4月25日 · That left the unlikely, but unsettlingly real, possibility that the radio pulses were signals, but not from anything human. Jokingly, they named the object Little Green Men-1, or LGM-1 (today...

2018年2月28日 · After eliminating obvious explanations like radio interference from Earth, the scientists gave the signal the fanciful nickname LGM-1, for “little green men” (it later became CP 1919 for ...

2023年7月19日 · Our unusually slow pulsar could best be explained as a magnetar – a pulsar with exceedingly complex and powerful magnetic fields that could generate radio waves for several months before stopping....

2019年11月28日 · Playfully, they nicknamed the signal LGM-1, for “little green men.” It was not until a second pulsating source was discovered in a different part of the sky that the “LGM hypothesis” was entirely abandoned. Their pulsar was later dubbed CP 1919, and is now known by a number of designators including PSR 1919+21, PSR B1919+21, and PSR J1921+2153.

2019年12月9日 · During this time, Bell Burnell discovered three more rapidly pulsating radio sources in other parts of the sky. She cataloged them with the letters “LGM,” for little green men, although neither she nor Hewish ever genuinely entertained the possibility that the signals came from alien life. “It wasn’t serious” she says.

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2013年3月8日 · The LGM case was unique in that it sparked discussion amongst SETI scientist to set protocols for how to release the discovery of potential ET signals to the public, and how to verify they are indeed ET in origin.

LGM-1. LGM-1, also known as PSR B1919+21, is a pulsar type neutron star located in the constellation Vulpecula. Neutron stars are much too small and faint to view in any but the world's largest telescopes.