That's not quite right! While scientists use star patterns, they don't divide the sky into sectors using them in the same way we think of, say, dividing a pie into slices. Here's a breakdown:

* Constellations: These are the familiar star patterns we see in the sky. They're like imaginary shapes drawn by connecting stars that appear close together from Earth.

* Astronomical Use: Constellations are mainly useful for identifying regions of the sky for observation and naming. They don't create strict, defined sectors.

* Modern Divisions: Scientists use a more precise and objective system called the celestial sphere to locate objects in the sky. This system uses coordinates (like longitude and latitude on Earth) to pinpoint the exact position of stars, galaxies, and other celestial objects.

Think of it this way:

* Constellations are like landmarks in the sky – helpful for finding your way around, but not exact boundaries.

* The celestial sphere is like a detailed map, allowing scientists to pinpoint locations with accuracy.

Let me know if you'd like to learn more about constellations or the celestial sphere!