He measured the Earth's circumference by reference to the position of the star Canopus.
An aboriginal name for the star Canopus is Womba, meaning the "Mad Star"
The Tubes are powered by drawing energy from the star Canopus.
In the tropics and southern hemisphere, this (then called "summer hexagon") can be extended with the bright star Canopus in the south.
Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.
However, the planet's primary is the star Canopus.
The spacecraft was attitude stabilized in three axes, referenced to the sun and the star Canopus.
The star Canopus, second brightest in the sky, is a circumpolar star for most southern latitudes.
"Switch your focus from the star Canopus in Carina to Deneb in Cygnus."
It was the first spacecraft designed to perform mid-course corrections, by entering a mode of 3-axis stabilization, fixing on the Sun and the star Canopus.
