28 January 2015

A solar system similar to our own


Helen Regan has a Time article about a discovery way out there:
Astronomers have discovered an ancient solar system very similar to our own that dates back to the “dawn of the galaxy.”
Using NASA’s Kepler telescope, a team of international scientists found a star named Kepler-444 and five orbiting planets that are similar in size to Earth, the BBC reports.
Kepler-444 was formed over eleven billion years ago, making it the oldest known system of its kind. “By the time the Earth formed, the planets in this system were already older than our planet is today,” said Dr. Tiago Campate, the lead author of the study.
The discovery comes after four years’ of observations taken from NASA’s Kepler spacecraft. Researchers say the discovery of older Earth-sized planets could provide scope for the existence of life on other ancient planets.
Rico says they're out there; just wave...

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