BP
before present Hits: 1
Encyclopedia
byproduct
a non-saleable product of a process Hits: 3
co-product
one of the many saleable products of a process Hits: 1
escape velocity
velocity necessary for a body to escape pull of earth’s gravity Hits: 0
Ga
billions of years Hits: 0
ka
thousands of years Hits: 0
Ma
millions of years Hits: 0
nova
exploding star releasing moderate to high energy Hits: 0
PoSTS
perspectives of society technology and science Hits: 3
supernova
exploding star releasing very high energy Hits: 0