Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Minimal Astration Hypothesis -- a Necessity for Solving the Dust
  Budget Crisis?   Assuming that gas and dust separate in the interstellar medium (ISM) so that
high-density regions, where stars can form, are almost devoid of dust, the
amount of metals being removed from the ISM can be significantly reduced
(minimized astration). Here, it is shown by simple analytical models that this
may increase the total metal budget of a galaxy considerably. It is suggested
that these extra metals may increase the mass of dust such that the "dust
budget crisis", i.e., the fact that there seems to be more dust at high
redshifts than can be accounted for, can be ameliorated. Reducing the amount of
astration, the metal budget can be more than doubled, in particular for systems
that evolve under continuous gas accretion.

27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
2
The categories of this paper are: math
13
The categories of this paper are: quant-ph
0
The categories of this paper are: hep-ph
37
The categories of this paper are: supr-con
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
16
The categories of this paper are: stat
18
The categories of this paper are: econ