If you have ever looked up at the stars, you are not alone. In fact, people have been stargazing for centuries. Some people, such as astronomers, look at the night sky for their careers. Astronauts take things one small step further and go into space! You may not be able to hop onto a rocket, but you can look up at the stars. A pair of binoculars or a telescope makes the experience even better. You can become an amateur astronomer in your own backyard. People have looked at the night sky throughout history. In fact, ancient sailors used the stars as a tool. For example, Polaris, or the North Star, has historically been a useful compass because it is always in the northern sky. At first, people used their eyes to study the stars. Eventually, telescopes were invented. One famous astronomer, Galileo Galilei, made a telescope that was similar to the ones we use today. He used it to prove that Earth revolved around the sun. Astronomers since have made many discoveries with more powerful telescopes. What is the author's point in the excerpt?Group of answer choicesIt is common for people to look into the sky to learn more about it. We can make powerful discoveries by looking in the sky with our eyes. Telescopes have helped people make discoveries about the planets. Anyone can be an astronomer if they use telescopes to look into the sky.