could be several things, I would start with the dimmer switch.
I have a 2000 olds alero and the signal light only work sometimes, What would cause that?
because light may be hitting it from many different areas or views.
The Astro was discontinued in 2005, so I'm not sure what a 2009 Astro would be.
they appear bright be cause the light from the sun is hitting the moon and planets to make them look bright.
Light hitting a flat mirror at an angle is reflected at the same angle, relative to the mirror surface.
The security light on a 2001 Chevy Astro Van can be reset by disconnecting the battery for 30 seconds. This resets the system and turns out the light until another problem is detected.
Light sensors measure the number of photons or the energy of light hitting the sensor.
Yes
Light sensors measure the number of photons or the energy of light hitting the sensor.
Sun light hitting the atmosphere of the earth.
The light reflects or refracts on hitting the medium.
5.5 light hours is about 40 astronomical units (AU)