Star clocked at five million km/hr - St. Albert Gazette

St. Albert Gazette
Star clocked at five million km/hr
St. Albert Gazette
An artist's conception of the X9 system in the globular cluster 47 Tucanae, the black hole/white dwarf pair discovered earlier this year. X-ray and radio evidence suggest that the white dwarf, left, orbits the black hole once every 28 minutes. It's the ...and more »