Which of the following identifies two technological advancements during the period between 1980 and 1989? (3 points)

The Big Bang Theory is accepted at present as the best explanation of the development of the universe over time. Which of these statements is correct about this theory? (3 points)

Which of these properties of a star best determines its life cycle? (3 points)

Based on an experiment, a cosmologist has proposed a new theory to explain the origin of the universe. The theory will be accepted when (3 points)

The radiations detected by Arno Penzias and Robert Wilson were the (3 points)

Two stars, Star 1 and Star 2, are at almost equal distances from Earth. The table below shows the masses of the two stars. Name of Star Mass of Star (in million solar masses) Star 1 3.61 Star 2 11.73 Which of these statements is most likely correct about the stars? (3 points)

What type of galaxy is described as revolving around a single point and has spinning arms of stars which extend from the center? (3 points)

Which of these is the best method to measure the distance to a star? (3 points)

One student made a science model with a balloon having many spots on it. The balloon was blown up gradually as shown below. What is best demonstrated by this model? (3 points)

Which of these is the most likely reason why the Steady State Theory of origin of the universe has been rejected? (3 points)