Scientific glossary
Scientific glossary
10 null terms
- Diffuse
- Adjective
- The light is evenly distributed, leaving no sharp shadows. Diffuse light arises when direct light is scattered naturally or with artificial means.
- Eclipse
- Noun
- Moon's shadow crosses the Earth's surface, or a lunar eclipse, when the Moon moves into the Earth's shadow.
- Incidence
- Noun
- Angle of incidence the arrival of something (such as a projectile or a ray of light) at a surface
- Light
- Noun
- Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.
- Nebula:
- Noun
- A nebula is a formation in space which is constituted mostly of helium, dust, and other gases in various concentrations.
- Penumbra
- Noun
- Is the region in which only a portion of the light source is obscured by the occluding body.
- Reflection
- Noun
- Abrupt change in the direction of propagation of a wave that strikes the boundary between different mediums.
- Smooth
- Having a surface or consisting of a substance that is perfectly regular and has no holes, lumps, or areas that rise or fall suddenly
- Adjective
- Specular
- Adjective
- Relating to or having the properties of a mirror.
- Umbra
- Noun
- Is the innermost and darkest part of a shadow, where the light source is completely blocked by the occluding body.