Space Terms

[showauto]

L Chondrites

Photo by: Basilicofresco Creative Commons The L chondrite, also known as the L type of ordinary chondrites, is very common in spite of its relatively unknown status. They account for around 30 % of the categorized type of meteor, and around 40 % of the normal kind of chondrites.

L Chondrites Read More »

Tremolite

Photo by: Archaeodontosaurus Creative Commons Tremolite is a member of a group of silicate minerals containing molecules of Calcium, Magnesium, Silicon and Oxygen. It is formed by the metamorphism of sediments with high amounts of dolomite and quartz. Its color ranges from creamy white to dark green, depending on magnesium or iron content. In fact,

Tremolite Read More »

Tidal Force

Tidal force is a secondary effect of gravitational force and its most common manifestation, at least on the planet Earth, are tides. Tidal force, by technical definition is the differential force of gravity which arises because the force exerted on one body by another is not constant across the diameter in that the side which

Tidal Force Read More »

Focal Ratio

Focal ratio is also commonly known as the f/number, f/ratio, f-stop, f-ratio, etc; and is notated simply as N. Focal ratio is the speed by which an optical system needs to be exposed to produce an image; and can be found by dividing the system?s focal length by its aperture. A lower focal ratio means

Focal Ratio Read More »

Scroll to Top