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    Formation of our Solar System tagged posts

    Nearby Star-forming Region yields Clues to the Formation of our Solar System

    August 16, 2021, Categories  Astronomy/Space

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    Multi-wavelength observations of the Ophiuchus star-forming region reveal interactions between clouds of star-forming gas and radionuclides produced in a nearby cluster of young stars. The top image (a) shows the distribution of aluminum-26 in red, traced by gamma-ray emissions. The central box represents the area covered in the bottom left image (b), which shows the distribution of protostars in the Ophiuchus clouds as red dots. The area in the box is shown in the bottom right image (c), a deep near-infrared color composite image of the L1688 cloud, containing many well known prestellar dense-gas cores with disks and protostars (see larger image below). (Credit: Forbes et al., Nature Astronomy 2021)

    The Ophiuchus star-forming complex offers an analog for the formation of the solar sys...

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    Low-mass Supernova may have triggered Formation of our Solar System

    November 29, 2016, Categories  Astronomy/Space

    About 4.6 billion years ago, a cloud of gas and dust that eventually formed our solar system was disturbed. The ensuing gravitational collapse formed the proto-Sun with a surrounding disc where the planets were born. That cloud might be similar to some region in this much larger complex of gas and dust about 4,500 light-years away in the constellation Cygnus observed by NASA's Spitzer Telescope.

    Credit: NASA/JPL-Caltech/Harvard-Smithsonian CfA About 4.6 billion years ago, a cloud of gas and dust that eventually formed our solar system was disturbed. The ensuing gravitational collapse formed the proto-Sun with a surrounding disc where the planets were born. That cloud might be similar to some region in this much larger complex of gas and dust about 4,500 light-years away in the constellation Cygnus observed by NASA’s Spitzer Telescope.

    A research team led by University of Minnesota School of Physics and Astronomy Professor Yong-Zhong Qian uses new models and evidence from meteorites to show that a low-mass supernova triggered the formation of our solar system. About 4.6 billion years ago, a cloud of gas and dust that eventually formed our solar system was disturbed...

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