Question
MACHOs exist in these building blocks for structure formation. For 10 points each:
[10m] Name these roughly spherical components of dark matter that surround the visible portion of galaxies. These components were hypothesized when Vera Rubin discovered the non-Keplerian nature of rotation curves.
ANSWER: dark matter halos
[10e] Halos prominently emit light in this portion of the spectrum with wavelengths between those of ultraviolet and gamma radiation.
ANSWER: X-rays
[10h] This doubly eponymous model for hierarchical structure formation was derived by modeling the distribution of halo mass as a Gaussian random field.
ANSWER: Press–Schechter formalism
<Alex Li, Other Science>
Summary
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