the raisin-bread model

cosmology

cosmic background radiation

the big bang theory

pressure, temperature, and density.

temperature, shape, and color.

density, temperature, and shape.

pressure, color, shape.

unheard of

from the planets to Earth.

from space to Earth.

from Earth to various galaxies.

end someday.

eventually shrink.

expand forever.

expand and shrink on a regular basis.

True

False