high focal plane buoy

Directory

References

Discover

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

Image of Antenna galaxy

The Fermi Paradox: Where Are All the Aliens?

Thanksgiving Celebration Traditional Dinner Setting Food Concept

Why Is Thanksgiving in the U.S. Celebrated on a Thursday?

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya

The Fastest Animals on Earth

Nativity Scene, Adoration of the Magi, Church of the Birth of the Virgin Mary, Montenegro

Why Is Christmas in December?

bat flying

Are Bats Really Blind?

high focal plane buoy

Learn about this topic in these articles:

operations

In lighthouse: Structure and operation
Known as “high focal plane” buoys, for stability they require a cylindrical tail tube extending downward some 10 feet from the bottom of the hull.
Read More