Answer Happy

Have any other planets, (besides Earth) been discovered that
have life?
a. ) yes, and it is intelligent life
b. ) no, but habitable planets that could sustain life, have
been found,
c. ) yes, but the type of life is small single-celled
creatures
d. ) no, because no planets have been found outside our solar
system
If all parts of the universe expand uniformly:
a. ) one galaxy at the center of the universe will see other
galaxies moving away
b. ) a hole will appear in the place that galaxies move away
from
c. ) all galaxies will congregate into one large cluster.
d. ) every galaxy will notice other galaxies moving away
New stars form...
a. ) during the Big Bang, before the Microwave Background
forms
b. ) from planets that gradually increase in mass.
c. ) when two older stars collide
d. ) out of a nebula that collapses under gravity, becoming more
dense