Earth-Like Planets in ‘Cosmic Graveyards’ of Dead Stars Get Stranger

Earth-Like Planets in ‘Cosmic Graveyards’ of Dead Stars Get Stranger

New findings show that Earth-sized planets may be even less likely to survive the violent conditions at the end of some stars’ lives than previously thought. This means that the first exoplanet discovered outside the solar system 30 years ago could be much stranger than we thought.

Discovered in 1992 by astronomers Alex Wolszczan and Dale Frail, the planet PSR B1257+12B has an Earth-like mass and orbits an exotic type of dead star called a pulsar. The discovery was followed by the revelation that the planet is accompanied by at least two other worlds. These other planets orbiting the PSR B1257+12 pulsar are also similar in size to rocky worlds in the solar system.

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