ACADEMIA
A milestone for MilkyWay@home - Measuring dark matter in a tidal stream of stars
Prof.Heidi Jo Newberg explains how the MilkyWay@home volunteer
supercomputer was used to determine the shape and dark matter
content of the ultrafaint dwarf galaxy that fell into the Milky Way
three billion years ago and was ripped apart to form the
Orphan-Chenab Stream (OCS).The measured dark matter mass is ten
times less than that of dwarf galaxies observed today.This could
mean that ultrafai...
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