we know that all object that we see can be classified into two types:luminous and non-luminous.
An instrument that makes small, distant objects visible is a telescope. Binoculars and scopes are also used for seeing long distance.
telescope or maybe binoculars
Usually it seems that they are. Some really are. Others are just not presented in a way that makes them visible. In short, some gases are visible and have colors. Check the link.
an industry
Cells are the basic building blocks of all living things
A __of light
The natural agent that stimulates sight and makes things visible.
The natural agent that stimulates sight and makes things visible
Yes, "light" can be a noun when it refers to the natural agent that stimulates sight and makes things visible.
Those things that transmit visible light.
No, ultraviolet light is not visible to the human eye. It has a shorter wavelength than visible light, which makes it invisible.
Comets are visible because they reflect sunlight. As a comet travels closer to the Sun, the sunlight heats up the comet's surface, causing it to release gas and dust that form a glowing coma and tail. This reflected sunlight is what makes comets visible from Earth.
lights on the ceiling or the opposite to heavy
What are you asking about? your question makes no sense.
The mountains and canyons are two things from the great floods that are visible today.
Everywhere is all the things which are visible and visible around you. This can be a home, another country, or a distant galaxy.
Visible trade is when you trade in goods. This goods that you can trade are things that can be touched and weighed.