A constellation is a group of stars that looks like a particular shape in the sky and has been given a name. These stars are far away from Earth.
In space, can you see star very close? What is the size?
To the naked eye, the stars look like tiny points of light . But stars are not tiny—they’re huge, burning balls of gas, like our Sun. They just appear small because they are so far away. The nearest star to our solar system is 4 light years away, which is 20 trillion miles.