Question

30.Question 301 pts

The part of the Sun that gives of the light we see is the:

corona

radiative zone

photosphere

Core

31.Question 311 pts

At the center of our galaxy is a super massive:

star

neutron star

red giant

black hole

32.Our galaxy the Milky Way is what type of galaxy?

irregular galaxy

spiral galaxy

barred spiral galaxy

elliptical galaxy

33.Question 331 pts

Why do we believe that tour galaxy contains large amounts of dark matter?

because the stars in our galaxy are spinning faster than expected

because the universe is contracting

because the stars in our galaxy are spinning to slow

because the universe is expanding

34.Question 341 pts

What element is known as the back-bone of life and makes up organic molecules?

hydrogen

silicon

helium

Carbon

35.If a stars parallax angle is 0.25 arcsec, then how far away is the star? ( d=1/p)

0.25 pc

0.25 ly

4 ly

4 pc

Answer 1