Benchmark 4A
The Physical Setting: The Universe
Grades K-2, page 62

There are more stars in the sky than anyone can easily count, but they are not scattered evenly, and they are not all the same in brightness or color.
 

NSES Content 
Standard D Earth and Space Science: Objects in the sky 
Grades K-4, page 134 
The sun, moon, stars, clouds, birds, and airplanes all have properties, locations, and movements that can be observed and described.