Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.
By observing a dozen darkened black holes, including well-known systems such as Cygnus X-1 in the Milky Way and LMG X-1 in the Large Magellanic Cloud, the researchers detected patterns that ...
This story appears in the December 2011 issue of National Geographic magazine. Looming near the mighty sweep of the southern Milky Way, the Large and Small Magellanic Clouds resemble detached ...