Hubble watches stars' clockwork motion in nearby galaxy
Wednesday, February 19, 2014 - 04:33
in Astronomy & Space
Using the sharp-eyed NASA Hubble Space Telescope, astronomers have for the first time precisely measured the rotation rate of a galaxy based on the clock-like movement of its stars. According to their analysis, the central part of the neighboring galaxy, called the Large Magellanic Cloud (LMC), completes a rotation every 250 million years.