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Earth-like planets may in fact be common in the galaxy, increasing the likelihood of extraterrestrial life.
By observing the remains of smashed up asteroids around dead stars, astronomers were able to deduce their chemical composition. They found that the dust of many chewed-up asteroids resembles the materials inside Earth and the other small, rocky inner planets of our solar system.
"We found evidence that this asteroid dust is similar to rocks on Earth," said UCLA astronomer Michael Jura in a press conference today at the American Astronomical Society meeting in Long Beach, California. "This strengthens suspicions that Earth-like planets are common."
Originally posted by infinite
Top NASA scientists believe numerous bodies within our solar system have life (Mars, Europa and Titan.)
It is absolute facetious to assume we are alone - it is conceivable to believe, fundamentally, that life is vibrant and flourishing in the universe (not just the Milky Way.)