Scientists see evidence of two additional planets larger than Earth that circles around the sun.
The planets are probably larger in mass than Earth, and is far out in the solar system, beyond Neptune, which is the outermost planet in the known solar system.
- The numbers are uncertain, given that the data is limited, but our calculations suggest that there are at least two additional planets, and probably more within our solar system, Carlos de la Fuente Marcos, from the Complutense University of Madrid, said.
- If this is confirmed, our results are revolutionary for astronomy, de la Fuente Marcos, says.
The potential planets have a larger mass than Earth, and is more than 200 astronomical units from the sun.
One astronomical unit is the average distance between Earth and the sun, 149,597,871 kilometers.
By comparison, Pluto in 2014 was 32.6 astronomical units away from the sun.
That means that the new planets are about six times as far away from the sun as Pluto. They will therefore be very difficult to observe with current instruments.
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