Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 10cm ( about 4 inch) for each star 4.5 cm ( about 1.8 inch) for each ear hook Beads : 6mm ( crystal abacus ) The ingredients are for reference ...

Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 10cm ( about 4 inch) for each star 4.5 cm ( about 1.8 inch) for each ear hook Beads : 6mm ( crystal abacus ) ...

T Coronae Borealis, a binary star system about 3,000 light years away, is usually far too dim to see with the naked eye.

Ralf Klessen investigates the physical processes that governed the formation of the first generation of stars in the early ...