Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The internal structure of the asteroids   This contribution has the aim to review the basics of existing knowledge on
asteroid interiors and to explore the possibility of advancing the field by
introducing into it some ideas from solid state physics.

31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
37
The categories of this paper are: supr-con
30
The categories of this paper are: q-alg
36
The categories of this paper are: cmp-lg
18
The categories of this paper are: econ
11
The categories of this paper are: hep-lat
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
2
The categories of this paper are: math