Where Are the Stars?
- Episode aired Dec 13, 1987
What are the exact positions of the stars in the sky? How do they move, and how far away are they? These are the problems which will be studied from Hipparcos, an artificial satellite due to... Read allWhat are the exact positions of the stars in the sky? How do they move, and how far away are they? These are the problems which will be studied from Hipparcos, an artificial satellite due to be launched in 1988.What are the exact positions of the stars in the sky? How do they move, and how far away are they? These are the problems which will be studied from Hipparcos, an artificial satellite due to be launched in 1988.