7) What is Hubble’s Law?

12) What type of galaxy was more common when the Universe was younger?

15) Where are most star-forming regions in the Milky Way?

13) How does the expansion of the Universe affect light?

2) How big is a neutron star?

19) Which of the following best describes the status of the Milky Way in our Local Group of galaxies?

8) The inverse of Hubble’s constant, called the Hubble time, gives an estimate of

10) Where is the Sun located in the Milky Way?

Test your understanding by matching the term with its correct definition

Solve the triangle using the Law of Sines or the Law of Cosines.  Round your answer to two decimal places.  a = 5          b = 7          c = 10 Answers: A = [angleA] degrees B = [angleB] degrees C = [angleC] degrees