Starlight and dust reprocessed starlight contribute almost equal amounts to the background energy.
Arrhenius (1908) envisaged microbes high in the atmosphere of a planet being propelled by the pressure of starlight until they reached velocities sufficient to escape from their planetary system altogether.
A special form of street lighting, the so-called "starlight," has been authorized and introduced by a number of local authorities.
There seems to me no reason why towns should not be partially lit by light better than starlight, and that the lighting should be controlled by the electrical authorities.
Hatchlings enter the ocean by navigating toward the brighter horizon created by the reflection of the moon and starlight off the water's surface.
Later photographic methods would use starlight to make a representation on a photographic plate.
It is also important for the alignment of cosmic dust grains, which is a cause of the polarization of starlight.
The astro-comb uses a pulsed laser to filter starlight before feeding the signal into a spectrograph.
