Beckett_(crater)

Beckett (crater)

Beckett (crater)

Crater on Mercury

Beckett is a pit-floored crater on Mercury, which was discovered in January 2008 during the first flyby of the planet by the MESSENGER spacecraft.[1] The crater was named in November 2008 by the IAU.[2]

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Another MESSENGER view

Its floor is not smooth and displays a telephone or arc-shaped collapse feature, which is also called a central pit. The size of the pit is 35 × 7.5 km.[3] Such a feature may have resulted from the collapse of a magma chamber underlying the central part of the crater[3] (see also Gibran and Picasso). The collapse feature is an analog of Earth's volcanic calderas.[4]

References

  1. [1]
    "MESSENGER Views an Intriguing Crater". JHU/APL. January 20, 2008. Archived from the original on November 20, 2013. Retrieved November 18, 2009.
  2. [2]
    Beckett, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
  3. [3]
    Gillis-Davis, Jeffrey J.; Blewett, David T.; Gaskell, Robert W.; Denevi, Brett W.; Robinson, Mark S.; Strom, Robert G.; Solomon, Sean C.; Sprague, Ann L. (2009). "Pit-floor craters on Mercury: Evidence of near-surface igneous activity". Earth and Planetary Science Letters. 285 (3–4): 243–250. Bibcode:2009E&PSL.285..243G. doi:10.1016/j.epsl.2009.05.023.
  4. [4]
    "A Newly Pictured Pit-Floor Crater". JHU/APL. September 30, 2009. Archived from the original on April 2, 2015. Retrieved November 18, 2009.


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