Read the statement and select the correct answer:
1. Joyce was watching the night sky using a telescope. Meanwhile, Arthur saw this and asked Joyce about the instrument she was using. She explained that
Statement 1: The telescope was invented by Galileo.
Statement 2: This is used to observe the celestial objects.
Statement 1: The telescope was invented by Galileo.
Statement 2: This is used to observe the celestial objects.
2. Statement 1: Observable universe has one hundred billion (\(10^{11}\)) galaxies.
Statement 2: A galaxy is a large collection of stars.
Statement 2: A galaxy is a large collection of stars.