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Jupiter's nucleus could be affected by a collision 4.5 billion years ago – ScienceDaily

A colossal frontal collision between Jupiter and a still-forming planet in the early solar system about 4.5 billion years ago could, according to a study published this week in the journal [19459002veröffentlichtwurdeüberraschendeMesswerteausderJuno-SondederNASAerklären] Nature . Astronomers from Rice University and Sun Yat-sen University in China say that their direct collision scenario may explain Juno's previously puzzling gravitational measurements, indicating that Jupiter's …

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The planetary mercury has a solid inner nucleus about the size of Earth's

Mercury surface Photo: MESSENGER A new analysis has shown that mercury, like Earth, has a solid inner nucleus. And the core of Mercury is about the size of our planet. I'm biased here, but Mercury is an incredible, mysterious planet that continues to deliver exciting results for scientists. Most intriguing is that the movement deep into the planet, just like …

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Astronomers investigate extreme variability of the 'Big Dipper' active galactic nucleus

The multiwavelength spectral energy distribution of SDSS J2232-0806. Modeled data are shown in pink: the XMM-Newton OM and EPIC-pn data of 2013 December 14; WHT spectrum of 2013 September 9 and WISE W1 ​​and W2 IR photometry. Additionally, other archival data in white: WISE W3 and W4 IR photometry from 2010; 2MASS IR photometry from 1998; SDSS photometry from 2000 …

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Scientists get the drop on the cell nucleus

The human nucleus with fluorescently labeled chromatin (green) and two nucleoli (purple) in the process of nucleolar coalescence. Credit: Christina Caragine and Alexandra Zidovska, Faculty of Physics, New York University A team of physicists has developed a novel strategy in which the movements occurring in the human nucleus are used to measure the physical properties of the nucleus and its …

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