Scientists don't typically use "light minutes" and "light hours" to measure distances within our solar system. While these units are used to measure distances to objects outside our solar system, within our solar system, it's more common to use:

* Astronomical Units (AU): One AU is the average distance between the Earth and the Sun. It's a convenient unit for measuring distances within our solar system.

* Kilometers (km): For smaller distances within the solar system, kilometers are used.

Why light years, minutes, and hours are used for distances beyond our solar system:

* Vast Distances: The distances between stars and galaxies are unimaginably large. Using kilometers or AU would result in incredibly large and unwieldy numbers.

* Light Speed is Constant: The speed of light is a fundamental constant in the universe. Using light years, minutes, or hours to measure distances makes it easier to understand how long it takes light to travel from one object to another.

Example:

* It takes about 8 minutes for light to travel from the Sun to Earth. This means the Earth is 8 light minutes away from the Sun.

* Proxima Centauri, the closest star to our Sun, is about 4.24 light years away. This means that it takes light from Proxima Centauri 4.24 years to reach Earth.

In summary:

* Within our solar system: AU and km are the preferred units.

* Beyond our solar system: Light years, minutes, and hours are used to measure distances and understand the time it takes light to travel those distances.