The Country which is surrounded by water on all sides are known as "Islands" and there could be many examples like: "Britain, Ireland" etc..
Hope this helps!
C maybe she wanted to keep them safe
Beta Ziti is the hotter star.
Infrared is the type of radiation which creates warmth. Atoms and molecules move more and more, and produce infrared radiation, as temperature increases. An object, like a hot clothing iron, which is not hot enough to produce light to the naked eye, emits energy in the infrared.
At the other end of the spectrum is ultraviolet radiation, which is more energetic. It has nothing to do with heat.
