Microwave observations reveal the deep extent and structure of Jupiter’s atmospheric vortices

Author:

Bolton S. J.1ORCID,Levin S. M.2ORCID,Guillot T.3ORCID,Li C.4ORCID,Kaspi Y.5ORCID,Orton G.2ORCID,Wong M. H.6ORCID,Oyafuso F.2ORCID,Allison M.78ORCID,Arballo J.2ORCID,Atreya S.4ORCID,Becker H. N.2ORCID,Bloxham J.9ORCID,Brown S. T.2ORCID,Fletcher L. N.10ORCID,Galanti E.5ORCID,Gulkis S.2ORCID,Janssen M.2ORCID,Ingersoll A.11ORCID,Lunine J. L.12ORCID,Misra S.2ORCID,Steffes P.13ORCID,Stevenson D.11ORCID,Waite J. H.1ORCID,Yadav R. K.9ORCID,Zhang Z.11ORCID

Affiliation:

1. Southwest Research Institute, San Antonio, TX, USA.

2. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA.

3. Université Côte d’Azur, Observatoire de la Côte d’Azur, Centre National de la Recherche Scientifique, Laboratoire Lagrange, Nice, France.

4. Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI, USA.

5. Weizmann Institute of Science, Rehovot, 76100, Israel.

6. Carl Sagan Center for Research, SETI Institute, Mountain View, CA, USA.

7. Goddard Institute for Space Studies, New York, NY, USA.

8. Department of Astronomy, Columbia University, New York, NY 10027, USA.

9. Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, USA.

10. School of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK.

11. Department of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA.

12. Department of Astronomy, Cornell University, Ithaca, NY, USA.

13. Department of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA.

Abstract

Measuring the depth of Jupiter’s storms The atmosphere of Jupiter consists of bands of winds rotating at different rates, punctuated by giant storms. The largest storm is the Great Red Spot (GRS), which has persisted for more than a century. It has been unclear whether the storms are confined to a thin layer near the top of the atmosphere or if they extend deep into the planet. Bolton et al . used microwave observations from the Juno spacecraft to observe several storms and vortices. They found that the storms extended below the depths at which water and ammonia are expected to condense, implying a connection with the deep atmosphere. Parisi et al . analyzed gravity measurements taken while Juno flew over the GRS. They detected a perturbation in the planet’s gravitational field caused by the storm, finding that it was no more than 500 kilometers deep. In combination, these results constrain how Jupiter’s meteorology links to its deep interior. —KTS

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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