We're told in "Dune" that Arakkis orbits a short-lived star called Canopus (Alpha Carinae) approximately 310 light-years from Earth. Bright giant stars like Canopus usually only last a few hundred ...

profiles from ice levels up to about 25 km above sea level (a.s.l.). SSS is a 16 inch telescope placed on an equatorial mount that continuously tracks the Canopus star. About 90,000 individual ...