solar system

voyager I,Astronomy,solar system,science,space
Via: AGU
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Thirty-five years after its launch, Voyager 1 appears to have travelled beyond the influence of the Sun and exited the heliosphere, according to a new study appearing online today. The heliosphere is a region of space dominated by the Sun and its wind of energetic particles, and which is thought to be enclosed, bubble-like, in the surrounding interstellar medium of gas and dust that pervades the Milky Way galaxy.
Two More Planets May Exist Out Past Pluto in Our Solar System
Via: NBC
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Via NBC:

"Planet X" might actually exist — and so might "Planet Y."

At least two planets larger than Earth likely lurk in the dark depths of space far beyond Pluto, just waiting to be discovered, a new analysis of the orbits of "extreme trans-Neptunian objects" (ETNOs) suggests.

Researchers studied 13 ETNOs — frigid bodies such as the dwarf planet Sedna that cruise around the sun at great distances in elliptical paths.

life,solar system,science,earth
By Unknown
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Researchers say they have potentially discovered the earliest signs of life on Earth in Western Australia's Pilbara, a breakthrough that may help scientists better understand the solar system.

The international team has found evidence of a complex microbial ecosystem in well-preserved sedimentary rocks that are almost three-and-a-half billion years old.
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