Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: In icy ocean worlds, size matters!   The ice shell and subsurface ocean on icy worlds are strongly coupled
together -- heat and salinity flux from the ice shell induced by the ice
thickness gradient drives circulation in the ocean, and in turn, the heat
transport by ocean circulation shapes the ice shell. Since measurements in the
near future are likely to remain constrained to above the ice shell,
understanding this ocean-ice interaction is crucial. Using an ocean box model
and a series of experiments simulating the 2D ocean circulation, we find that
large icy moons with strong gravity tend to have stronger ocean heat transport
under the same ice-shell topography. As a result, the equilibrium ice shell
geometry is expected to be flatter on moons with larger size, and vice versa.
This finding is broadly consistent with the observed ice shell geometry for
Enceladus and Europa.

35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
12
The categories of this paper are: nucl-th
4
The categories of this paper are: cond-mat
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The categories of this paper are: plasm-ph
13
The categories of this paper are: quant-ph
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
1
The categories of this paper are: cs
3
The categories of this paper are: physics
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The categories of this paper are: bayes-an
32
The categories of this paper are: atom-ph
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol