
Look at all the stars! An astronomer is a scientist who studies stars. Most astronomers use their sense of sight. They look at stars through telescopes. They see data about stars in graphs.
Photo Credit: peresanz/Getty Images
Neon is a gas. It is in the air. You … read more
It is Women’s History Month. Why do we have a … read more
Dr. Martin Luther King, Jr., worked to end laws that … read more
© 2026 McGraw-Hill Education. All Rights Reserved.