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    Ceres tagged posts

    Scientists Dig into the Origin of Organics on Dwarf Planet Ceres

    October 21, 2017, Categories  Astronomy/Space

    SwRI scientists are studying the geology associated with the organic-rich areas on Ceres. Dawn spacecraft data show a region around the Ernutet crater where organic concentrations have been discovered (background image). The color coding shows the surface concentration of organics, as inferred from the visible and near infrared spectrometer. The inset shows a higher resolution enhanced color image of the Ernutet crater acquired by Dawn’s framing camera. Regions in red indicate higher concentration of organics. Credit: Image courtesy of NASA/JPL-Caltech/UCLA/ASI/INAF/MPS/DLR/IDA

    SwRI scientists are studying the geology associated with the organic-rich areas on Ceres. Dawn spacecraft data show a region around the Ernutet crater where organic concentrations have been discovered (background image). The color coding shows the surface concentration of organics, as inferred from the visible and near infrared spectrometer. The inset shows a higher resolution enhanced color image of the Ernutet crater acquired by Dawn’s framing camera. Regions in red indicate higher concentration of organics. Credit: Image courtesy of NASA/JPL-Caltech/UCLA/ASI/INAF/MPS/DLR/IDA

    Organic materials are probably native to the planet...

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    Ceres: Water Ice in Eternal Polar Night

    December 17, 2016, Categories  Astronomy/Space

    #Image1: View of the North Pole: The colours show the varying height of Ceres' landscape. The numbers refer to ten craters where the Framing Cameras built in Göttingen at the Max Planck Institute for Solar System Research have discovered water ice. © Nature Astronomy #Image2: Crater No. 1, whose interior has a large region in permanent darkness (a). In the weak scattered light, the framing cameras can make out bright deposits of ice (b). Crater No. 2 with its dark region is shown in Figures (c) to (e). The ice shown in (d) extends into the region with direct illumination (e). © Nature Astronomy

    #Image1: View of the North Pole: The colours show the varying height of Ceres’ landscape. The numbers refer to ten craters where the Framing Cameras built in Göttingen at the Max Planck Institute for Solar System Research have discovered water ice. © Nature Astronomy
    #Image2: Crater No. 1, whose interior has a large region in permanent darkness (a). In the weak scattered light, the framing cameras can make out bright deposits of ice (b). Crater No. 2 with its dark region is shown in Figures (c) to (e). The ice shown in (d) extends into the region with direct illumination (e). © Nature Astronomy

    The American Dawn space probe has been orbiting the asteroid Ceres between Mars and Jupiter since March 2015...

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    New Ceres views as Dawn moves higher

    November 19, 2016, Categories  Astronomy/Space

    New Ceres views as Dawn moves higher

    Occator Crater, home of Ceres’ intriguing brightest areas, is prominently featured in this image from NASA’s Dawn spacecraft. Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

    The brightest area on Ceres stands out amid shadowy, cratered terrain in a dramatic new view from NASA’s Dawn spacecraft, taken as it looked off to the side of the dwarf planet. Dawn snapped this image on Oct. 16, from its 5th science orbit, in which the angle of the sun was different from that in previous orbits. Dawn was about 920 miles above Ceres when this image was taken—an altitude the spacecraft had reached in early October.

    Occator Crater, with its central bright region and secondary, less-reflective areas, appears quite prominent near the limb, or edge, of Ceres. At 57 miles wide and 2...

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    Sulfur, SO2 and Graphitized Carbon observed on Asteroid for first time

    September 2, 2016, Categories  Astronomy/Space

    Sulfur, sulfur dioxide and graphitized carbon observed on asteroid for first time

    Images of Ceres made using combined Dawn and 2005 HST ultraviolet-visible wavelength images. Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/Philip Stooke/Ian Regan

    Hubble observations of the dwarf planet Ceres have discovered the first evidence of sulfur, sulfur dioxide and graphitized carbon found on an asteroid. The sulfur species are likely associated with regions of recent activity, reports Planetary Science Institute Senior Scientist Amanda Hendrix. The discoveries were made by comparing Ceres’ UV-visible spectra to laboratory measurements. The new HST observations are complementary to observations being made by instrument on the Dawn spacecraft in orbit at Ceres, covering additional wavelengths.

    The presence of graphitized carbon is consistent with weathering of carbonaceous material on t...

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