do people know 100's of millions will die?

with the huge wave of environmentalists claiming that we need to stop using oil and coal and resort to more green ways to produce energy, do people realize that countries like Africa that absolutely depend their development on those very… Continue Reading

Basic Astronomy Help!?

Does anyone know any of these? 1.Which of the following stellar spectral classes would most likely experience a supernova event? a. O b. K c. G d. M 2.What happens to the magnitude of an older star as its luminosity… Continue Reading

i have a questions….=)solograph-measures the solar energy released by the sun..?

1. )which statements best describe how d sun releases energy? a. hydrogen atoms fuse and produce helium, which move towards the earth as radiation. b.the sun melts metals until they’re white hot which is what we see c. d sun… Continue Reading