Demonstrate how size affects a star’s apparent brightness.
Objective:
To demonstrate how size affects a star’s apparent brightness.
Standards:
Objects in the Sky (sky object properties, locations, and movements).
Materials:
two flashlights, aluminum foil, pencil, two sheets of blank paper.
Procedure:
Cover the lens end of one of the flashlights with a piece of aluminum foil.
Using the pencil, make a hole in the [...]
