Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Escaping from MOND   We present a new test of modified Newtonian dynamics (MOND) on galactic
scales, based on the escape speed in the solar neighbourhood. This test is
independent from other empirical successes of MOND at reproducing the
phenomenology of galactic rotation curves. The galactic escape speed in MOND is
entirely determined by the baryonic content of the Galaxy and the external
field in which it is embedded. We estimate that the external field in which the
Milky Way must be embedded to produce the observed local escape speed of 550
km/s is of the order of a_0/100, where a_0 is the dividing acceleration scale
below which gravity is boosted in MOND. This is compatible with the external
gravitational field actually acting on the Milky Way.

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The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph
36
The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
20
The categories of this paper are: acc-phys
32
The categories of this paper are: atom-ph