a ship's crew that was lost at sea
Most likely it is the "Governors" lighthouse, built in 1985. It is not an official lighthouse, but it is active (privately maintained).
A lighthouse is a tower with a powerful light that can guide a ship to sea.
The adverb in the sentence is "steadily," as it describes how the lighthouse beamed its light.
turn it on
Lighthouse chamber is a lantern
At the top of a lighthouse is a light, or beacon.
The purple light in the sky is likely coming from a combination of factors such as atmospheric conditions, light pollution, and possibly the presence of certain gases or particles in the air.
Rod cells are excited by very low levels of light, in contrast to cone cells that are excited by higher levels of light.
When the Light Shines Brightly the the Lighthouse - 1929 is rated/received certificates of: UK:U
to keep the light going and save lives
Unlikely. The lighthouse was destroyed in the 1300s.
lighthouse lightweight