Question

Which evidence provides support for the nebular theory?

a. Scientists have observed the formation of a distant solar system
b. The Nebular theory has been proven mathematically
c. Astronomers have observed protoplanetary disk around distant newborn stars.
d. None of the above

Answer 1

The best choice is C.  The evidence that support for the nebular theory is that astronomers have observed protoplanetary disk around distant newborn stars. Also, they saw that planets have the right characteristics to form a disk composed mainly of hydrogen around the Sun.