HubbleSite - Full story about "There's More to the North Star Than Meets the Eye"

HubbleSite - Full story about "There's More to the North Star Than Meets the Eye"

"The star we observed is so close to Polaris that we needed every available bit of Hubble's resolution to see it," said Smithsonian astronomer Nancy Evans (Harvard-Smithsonian Center for Astrophysics). The companion proved to be less than two-tenths of an arcsecond from Polaris — an incredibly tiny angle equivalent to the apparent diameter of a quarter located 19 miles away. At the system's distance of 430 light-years, that translates into a separation of about 2 billion miles.