The depth of Jupiter's Great Red Spot constrained by Juno gravity overflights

被引：23

作者：

Parisi, Marzia ^{[1
]}

Kaspi, Yohai ^{[2
]}

Galanti, Eli ^{[2
]}

Durante, Daniele ^{[3
]}

Bolton, Scott J. ^{[4
]}

Levin, Steven M. ^{[1
]}

Buccino, Dustin R. ^{[1
]}

Fletcher, Leigh N. ^{[5
]}

Folkner, William M. ^{[1
]}

Guillot, Tristan ^{[6
]}

Helled, Ravit ^{[7
]}

Iess, Luciano ^{[3
]}

Li, Cheng ^{[8
,10
]}

Oudrhiri, Kamal ^{[1
]}

Wong, Michael H. ^{[8
,9
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[2] Weizmann Inst Sci, Dept Earth & Planetary Sci, IL-76100 Rehovot, Israel

[3] Sapienza Univ Rome, Dept Mech & Aerosp Engn, I-00184 Rome, Italy

[4] Southwest Res Inst, San Antonio, TX 78238 USA

[5] Univ Leicester, Sch Phys & Astron, Leicester LE1 7RH, Leics, England

[6] Univ Cote dAzur, Ctr Natl Rech Sci, Observ Cote dAzur, Lab Lagrange, F-06304 Nice, France

[7] Univ Zurich, Ctr Theoret Astrophys & Cosmol, Inst Computat Sci, CH-8057 Zurich, Switzerland

[8] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[9] Carl Sagan Ctr Res, SETI Inst, Mountain View, CA 94043 USA

[10] Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA

来源：

SCIENCE | 2021年 / 374卷 / 6570期

基金：

欧洲研究理事会;

关键词：

D O I：

10.1126/science.abf1396

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Jupiter's Great Red Spot (GRS) is the largest atmospheric vortex in the Solar System and has been observed for at least two centuries. It has been unclear how deep the vortex extends beneath its visible cloud tops. We examined the gravity signature of the GRS using data from 12 encounters of the Juno spacecraft with the planet, including two direct overflights of the vortex. Localized density anomalies due to the presence of the GRS caused a shift in the spacecraft line-of-sight velocity. Using two different approaches to infer the GRS depth, which yielded consistent results, we conclude that the GRS is contained within the upper 500 kilometers of Jupiter's atmosphere.

引用

页码：964 / +

页数：29

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