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Home / Science / Jupiter collided with silent-forming planet 4.5B years ago: 'One-in-a-trillion probability'

Jupiter collided with silent-forming planet 4.5B years ago: 'One-in-a-trillion probability'



The largest planet in the solar system, Jupiter, may have had a massive collision with a "silent-forming planet" approximately 4.5 billion years ago,

The research, published in Nature, suggests NASA's Juno spacecraft, which observes that Jupiter's core is less dense and more than expected.

"This is puzzling," said Rice astronomer and co-author Andrea Isella, in research a statement.

 A rendering of Jupiter, as suggested by scientists at Rice and Sun Yat-sen universities. They say the collision about 4.5 billion years ago could explain surprising readings from NASA's Juno spacecraft. (Credit: Shang-Fei Liu / Sun Yat-sen University)

Jupiter, as suggested by scientists at Rice and Sun Yat-sen universities. They say the collision about 4.5 billion years ago could explain surprising readings from NASA's Juno spacecraft. (Credit: Shang-Fei Liu / Sun Yat-sen University)
      

MYSTERIOUS ALTERNATING CURRENTS FOUND ON JUPITER

Isella, along with several other researchers, ran computer simulations in an attempt to explain the puzzle and hit the planet that hit Jupiter, which many believed formed as a rocky or icy planet and what enormous, about 10 times the size of Earth. The so-called "planetary embryo" that Jupiter may have swallowed in the first few million years of Jupiter's formation.

"Juno measures today is a head." more than 10 times more than Earth, "Shang-Fei Liu, the study's lead author, added in the statement.

The team put together a video to indicate what the violent impact may have looked like

"It sounds very unlikely to me,"

But Shang-Fei [Liu] convinced me, by shear calculation, that this was not so improbable. "

 An infrared color composite of" Isella recalled Jupiter what created by NASA's New Horizons spacecraft in 2007. (Source: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute / Goddard Space Flight Center)

NASA's New Horizons spacecraft in 2007. An infrared color composite of Jupiter. (Credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute / Goddard Space Flight Center)
      

Shear relies on force and stress.

NASA's Juno probe has been orbiting the Celestial Giant since 2016 and passes each of the planet's polar regions every 53 days.

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