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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 5nvklj





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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star

Dragon
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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star Empty Rogue Earth-mass planet discovered freely floating in the Milky Way without a star

Post by Dragon Sat Oct 03, 2020 1:10 am

If a solar system is a family, then some planets leave home early whether they want to or not. Once they've left the gravitational embrace of their family, they're pretty much destined to drift through interstellar space forever, unbound to any star.

Astronomers like to call these drifters "rogue planets," and they're getting better at finding them. A team of astronomers have found one of these drifting rogues that's about the same mass as Mars or Earth.

Continued...
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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 334pu7m
Dragon
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Post by Dragon Sat Oct 03, 2020 1:12 am

Rogue Earth-mass planet discovered freely floating in the Milky Way without a star Rogueearthma
Credit: NASA

An artist’s illustration of a rogue planet, dark and mysterious.

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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 334pu7m
Dragon
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Post by Dragon Sat Oct 03, 2020 1:13 am

Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 1-rogueearthma
Credit: Christine Pulliam (CfA)

Artist’s rendering of an Earth-sized rogue planet approaching a star.

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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 334pu7m
Dragon
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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star Empty Re: Rogue Earth-mass planet discovered freely floating in the Milky Way without a star

Post by Dragon Sat Oct 03, 2020 1:15 am



This animation shows how gravitational microlensing can reveal island worlds.

When an unseen rogue planet passes in front of a more distant star from our vantage point, light from the star bends as it passes through the warped space-time around the planet.

The planet acts as a cosmic magnifying glass, amplifying the brightness of the background star.

Credit: NASA’s Goddard Space Flight Center/CI Lab


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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 334pu7m
Dragon
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Post by Dragon Sat Oct 03, 2020 1:16 am



Rogue planets have almost zero potential for hosting life, so they may not become a significant field of study like the search for exoplanets. But they're still intriguing, and like everything else, they hold clues to how nature works.


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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star 334pu7m
Dragon
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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star Empty Re: Rogue Earth-mass planet discovered freely floating in the Milky Way without a star

Post by Dragon Sat Oct 03, 2020 1:17 am



This illustration shows a rogue planet drifting through the galaxy alone.



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