
This picture shows the black hole. Do you see it? You can’t see a black hole. You can see the dust and stars swirling around it.
What Do You Think? Would you like to be an astronomer?
Photo Credit: NASA/CXC/MIT/F.K.Baganoff/Getty Images
Names are important. Sometimes names change. Let’s look at the … read more
Some birds travel long distances when they migrate. Some birds … read more
Reptiles are born on land. They have lungs only. They … read more
© 2025 McGraw-Hill Education. All Rights Reserved.