True Strange Library

The curious collection of a slightly mad scientist

Lonely, young planet drifting in space without a star

The solitary life of this newly discovered planet, with the catchy name PSO J318.5-22, has astronomers excited. Only 80 light-years from Earth, the 12 million-year-old planet has properties similar to those of gas-giant planets orbiting young stars.

But because it is floating alone through space, rather than around a host star, astronomers can study it much more easily.

“We have never before seen an object free-floating in space that looks like this,” said Dr. Michael Liu of the Institute for Astronomy at the University of Hawaii at Manoa, who led the international team that discovered the planet.

“It has all the characteristics of young planets found around other stars, but it is drifting out there all alone. I had often wondered if such solitary objects exist, and now we know they do.”

While about a thousand planets have been discovered outside our solar system in the past decade by indirect means – such as observing the wobbling or dimming of their host stars as they orbit – only a handful of new planets have been directly imaged, all of them around young stars, according to a release from the Institute for Astronomy.

Young stars are those less than 200 million years old.

PSO J318.5-22″s solitary existence and its similarity to those directly observed planets makes it a rare find.

“Planets found by direct imaging are incredibly hard to study, since they are right next to their much brighter host stars. PSO J318.5-22 is not orbiting a star so it will be much easier for us to study,” said Dr. Niall Deacon of the Max Planck Institute for Astronomy in Germany and a co-author of the study. …

http://www.cnn.com/2013/10/10/tech/space-new-planet/index.html

I’m weird, but this made me cry. I feel this way.

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This entry was posted on October 10, 2013 by in Space.
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